| Date    | Issuance, Net | Issuance, Gross | Retirement, Gross | Retirements, Repurchases | Retirements, Mergers and Acquisitions |
|---------|---------------|-----------------|-------------------|--------------------------|---------------------------------------|
| 1996:Q4 | -8.88         | 33.96           | 42.84             | 22.26                    | 20.58                                 |
| 1997:Q1 | -22.52        | 25.85           | 48.38             | 22.64                    | 25.74                                 |
| 1997:Q2 | -27.20        | 27.44           | 54.64             | 23.51                    | 31.12                                 |
| 1997:Q3 | -27.99        | 31.47           | 59.46             | 25.00                    | 34.46                                 |
| 1997:Q4 | -28.98        | 37.53           | 66.50             | 34.37                    | 32.14                                 |
| 1998:Q1 | -18.23        | 40.45           | 58.67             | 26.65                    | 32.02                                 |
| 1998:Q2 | -28.94        | 46.51           | 75.45             | 29.08                    | 46.36                                 |
| 1998:Q3 | -62.18        | 33.78           | 95.96             | 41.11                    | 54.86                                 |
| 1998:Q4 | -119.46       | 44.51           | 163.97            | 27.27                    | 136.70                                |
| 1999:Q1 | -14.05        | 45.38           | 59.43             | 31.83                    | 27.60                                 |
| 1999:Q2 | -81.66        | 73.76           | 155.42            | 30.79                    | 124.63                                |
| 1999:Q3 | -25.03        | 67.02           | 92.05             | 29.37                    | 62.68                                 |
| 1999:Q4 | 11.23         | 107.37          | 96.14             | 35.98                    | 60.16                                 |
| 2000:Q1 | 50.23         | 136.53          | 86.31             | 38.08                    | 48.22                                 |
| 2000:Q2 | -25.30        | 111.40          | 136.70            | 22.86                    | 113.84                                |
| 2000:Q3 | 13.70         | 99.91           | 86.22             | 24.77                    | 61.45                                 |
| 2000:Q4 | -69.30        | 86.49           | 155.79            | 30.14                    | 125.64                                |
| 2001:Q1 | 13.96         | 73.47           | 59.51             | 25.35                    | 34.16                                 |
| 2001:Q2 | -4.38         | 74.51           | 78.89             | 26.65                    | 52.25                                 |
| 2001:Q3 | -21.07        | 46.14           | 67.21             | 27.73                    | 39.49                                 |
| 2001:Q4 | 5.14          | 61.61           | 56.48             | 24.04                    | 32.43                                 |
| 2002:Q1 | -2.63         | 43.66           | 46.28             | 20.97                    | 25.31                                 |
| 2002:Q2 | 6.29          | 50.21           | 43.92             | 27.26                    | 16.66                                 |
| 2002:Q3 | -20.32        | 29.35           | 49.67             | 27.34                    | 22.33                                 |
| 2002:Q4 | 1.97          | 35.58           | 33.61             | 18.92                    | 14.68                                 |
| 2003:Q1 | -10.25        | 32.06           | 42.31             | 20.25                    | 22.06                                 |
| 2003:Q2 | -3.59         | 35.95           | 39.54             | 22.02                    | 17.52                                 |
| 2003:Q3 | -0.12         | 42.27           | 42.39             | 26.16                    | 16.23                                 |
| 2003:Q4 | -2.13         | 48.61           | 50.74             | 34.38                    | 16.36                                 |
| 2004:Q1 | 1.81          | 57.98           | 56.17             | 31.62                    | 24.56                                 |
| 2004:Q2 | -15.06        | 49.01           | 64.07             | 34.08                    | 30.00                                 |
| 2004:Q3 | -33.70        | 43.95           | 77.64             | 42.39                    | 35.26                                 |
| 2004:Q4 | -36.13        | 55.49           | 91.62             | 46.63                    | 44.99                                 |
| 2005:Q1 | -43.90        | 48.39           | 92.29             | 53.00                    | 39.29                                 |
| 2005:Q2 | -51.79        | 58.04           | 109.83            | 63.21                    | 46.62                                 |
| 2005:Q3 | -74.06        | 73.88           | 147.95            | 66.62                    | 81.33                                 |
| 2005:Q4 | -82.61        | 68.25           | 150.86            | 90.82                    | 60.04                                 |
| 2006:Q1 | -102.39       | 72.73           | 175.12            | 76.32                    | 98.80                                 |
| 2006:Q2 | -93.76        | 95.53           | 189.29            | 99.09                    | 90.20                                 |
| 2006:Q3 | -107.94       | 63.90           | 171.84            | 92.02                    | 79.82                                 |
| 2006:Q4 | -115.36       | 113.76          | 229.12            | 96.40                    | 132.72                                |
| 2007:Q1 | -96.63        | 100.45          | 197.08            | 92.49                    | 104.59                                |
| 2007:Q2 | -149.32       | 97.70           | 247.03            | 121.07                   | 125.96                                |
| 2007:Q3 | -126.03       | 114.66          | 240.69            | 121.70                   | 119.00                                |
| 2007:Q4 | -164.30       | 141.55          | 305.85            | 98.62                    | 207.23                                |
| 2008:Q1 | -86.01        | 80.45           | 166.46            | 94.68                    | 71.78                                 |
| 2008:Q2 | -75.94        | 59.75           | 135.68            | 76.15                    | 59.53                                 |
| 2008:Q3 | -73.36        | 94.15           | 167.51            | 80.94                    | 86.56                                 |
| 2008:Q4 | -135.14       | 34.34           | 169.48            | 45.81                    | 123.67                                |
| 2009:Q1 | -67.65        | 28.48           | 96.13             | 26.49                    | 69.64                                 |
| 2009:Q2 | 0.93          | 38.94           | 38.01             | 17.88                    | 20.13                                 |
| 2009:Q3 | -0.74         | 40.92           | 41.67             | 24.92                    | 16.75                                 |
| 2009:Q4 | -63.87        | 67.02           | 130.89            | 33.60                    | 97.29                                 |
| 2010:Q1 | -39.85        | 49.48           | 89.34             | 40.43                    | 48.91                                 |
| 2010:Q2 | -35.51        | 55.84           | 91.35             | 59.72                    | 31.64                                 |
| 2010:Q3 | -57.36        | 62.23           | 119.59            | 57.28                    | 62.31                                 |
| 2010:Q4 | -24.13        | 103.14          | 127.27            | 62.92                    | 64.35                                 |
| 2011:Q1 | -36.38        | 88.73           | 125.11            | 66.95                    | 58.16                                 |
| 2011:Q2 | -89.42        | 82.26           | 171.68            | 73.55                    | 98.12                                 |
| 2011:Q3 | -124.11       | 52.14           | 176.26            | 96.46                    | 79.79                                 |
| 2011:Q4 | -76.28        | 67.51           | 143.79            | 74.63                    | 69.16                                 |
| 2012:Q1 | -51.66        | 68.84           | 120.50            | 64.82                    | 55.67                                 |
| 2012:Q2 | -93.13        | 76.75           | 169.88            | 84.27                    | 85.61                                 |
| 2012:Q3 | -77.06        | 65.66           | 142.73            | 66.04                    | 76.69                                 |
| 2012:Q4 | -36.06        | 114.85          | 150.92            | 86.79                    | 64.13                                 |
| 2013:Q1 | -19.41        | 93.50           | 112.90            | 77.97                    | 34.93                                 |
| 2013:Q2 | -85.91        | 75.87           | 161.78            | 100.92                   | 60.87                                 |
| 2013:Q3 | -72.25        | 91.79           | 164.04            | 97.80                    | 66.24                                 |
| 2013:Q4 | -56.85        | 141.56          | 198.41            | 106.06                   | 92.35                                 |
| 2014:Q1 | -100.73       | 89.77           | 190.50            | 126.36                   | 64.14                                 |
| 2014:Q2 | -38.49        | 111.63          | 150.13            | 100.92                   | 49.20                                 |
| 2014:Q3 | -65.61        | 115.11          | 180.72            | 108.79                   | 71.93                                 |
| 2014:Q4 | -77.01        | 106.49          | 183.50            | 106.89                   | 76.61                                 |
| 2015:Q1 | -126.62       | 121.23          | 247.84            | 114.71                   | 133.13                                |
| 2015:Q2 | -95.80        | 131.57          | 227.37            | 101.26                   | 126.10                                |
| 2015:Q3 | -144.92       | 101.23          | 246.15            | 123.01                   | 123.14                                |
| 2015:Q4 | -101.97       | 100.91          | 202.88            | 107.86                   | 95.02                                 |
| 2016:Q1 | -116.56       | 121.29          | 237.85            | 124.90                   | 112.95                                |
| 2016:Q2 | -110.91       | 141.97          | 252.87            | 100.03                   | 152.85                                |
| 2016:Q3 | -92.34        | 165.07          | 257.41            | 75.67                    | 181.73                                |
| 2016:Q4 | -69.59        | 119.89          | 189.48            | 90.24                    | 99.24                                 |
| 2017:Q1 | -87.08        | 125.28          | 212.35            | 94.19                    | 118.16                                |
| 2017:Q2 | -56.81        | 115.69          | 172.50            | 82.75                    | 89.76                                 |
| 2017:Q3 | -98.91        | 131.66          | 230.57            | 85.73                    | 144.84                                |
| 2017:Q4 | -62.38        | 112.36          | 174.74            | 88.80                    | 85.94                                 |
| 2018:Q1 | -114.62       | 112.61          | 227.23            | 144.73                   | 82.51                                 |
| 2018:Q2 | -226.40       | 97.70           | 324.10            | 140.50                   | 183.61                                |
| 2018:Q3 | -38.19        | 143.52          | 181.71            | 136.19                   | 45.53                                 |
| 2018:Q4 | -219.02       | 107.31          | 326.33            | 149.28                   | 177.05                                |
| 2019:Q1 | -149.56       | 112.58          | 262.14            | 139.23                   | 122.90                                |
| 2019:Q2 | -3.01         | 164.52          | 167.52            | 109.37                   | 58.15                                 |
| 2019:Q3 | -104.65       | 113.09          | 217.75            | 110.80                   | 106.94                                |
| 2019:Q4 | -87.62        | 138.46          | 226.08            | 120.48                   | 105.60                                |
| 2020:Q1 | -93.60        | 111.77          | 205.36            | 145.48                   | 59.88                                 |
| 2020:Q2 | -28.08        | 140.62          | 168.70            | 80.01                    | 88.69                                 |
| 2020:Q3 | -6.24         | 117.83          | 124.07            | 90.43                    | 33.64                                 |
| 2020:Q4 | -2.73         | 209.79          | 212.51            | 112.07                   | 100.45                                |
| 2021:Q1 | -7.83         | 187.82          | 195.64            | 130.38                   | 65.27                                 |
| 2021:Q2 | -47.38        | 213.82          | 261.21            | 143.11                   | 118.10                                |
| 2021:Q3 | -68.95        | 261.16          | 330.11            | 156.23                   | 173.88                                |
| 2021:Q4 | -171.35       | 204.00          | 375.35            | 196.70                   | 178.65                                |
| 2022:Q1 | -154.13       | 169.45          | 323.58            | 222.51                   | 101.07                                |
| 2022:Q2 | -196.09       | 91.21           | 287.30            | 193.12                   | 94.18                                 |
| 2022:Q3 | -138.31       | 155.95          | 294.27            | 179.78                   | 114.49                                |
| 2022:Q4 | -98.09        | 206.41          | 304.50            | 181.70                   | 122.80                                |
| 2023:Q1 | -120.63       | 120.09          | 240.72            | 173.62                   | 67.10                                 |
| 2023:Q2 | -103.84       | 112.94          | 216.78            | 144.07                   | 72.70                                 |
| 2023:Q3 | -121.98       | 124.77          | 246.76            | 158.29                   | 88.46                                 |
| 2023:Q4 | -271.78       | 108.03          | 379.81            | 159.26                   | 220.55                                |