| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | decomposition of the change in the aggregate unincorporated self-employment rate, canada, 1989 to 2010 |  |  |  |
| 3 |  | change in aggregate self-employment rate | change in within-age-group self-employment rate | change in age- group composition |
| 4 |  | number |  |  |
| 5 | 1989 to 1998 | 0.025 | 0.019 | 0.005 |
| 6 | 1998 to 2010 | -0.006 | -0.020 | 0.014 |

Question: what's the percent of the aggregate self-employment rate from 1989 to 1998?
Answer: 0.025

Question: what's the percent of the within-age-group component from 1989 to 1998?
Answer: 0.019

Question: what's the percent of the share of total employment to older age groups from 1989 to 1998?
Answer: 0.005

Question: how much did the within-age-group component declined from 1998 to 2010?
Answer: 0.02

Question: what's the percent changed of the aggregate self-employment rate in the 1989-to-1998 period?
Answer: 0.025

Question: what's the percent changed of the aggregate self-employment rate after 1998?
Answer: 0.014

Question: what's the percent changed of the aggregate self-employment rate in the 1989-to-1998 period in age-group composition?
Answer: 0.005