Exchange |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                    ADS |        106        0.12        0.12
                                    AIM |        782        0.91        1.04
                                    ALB |        139        0.16        1.20
                                    AMF |         25        0.03        1.23
                                    AMM |        204        0.24        1.47
                                    AMS |        265        0.31        1.78
                                   ARCX |         33        0.04        1.81
                                    ASE |        633        0.74        2.55
                                    ASX |      3,247        3.79        6.34
                                    ATH |        175        0.20        6.55
                                    ATN |         86        0.10        6.65
                                    BAH |         44        0.05        6.70
                                  BARCE |         12        0.01        6.71
                                   BATS |          7        0.01        6.72
                                    BDA |         34        0.04        6.76
                                    BER |         76        0.09        6.85
                                    BEY |         15        0.02        6.87
                                    BKK |        996        1.16        8.03
                                    BOG |        104        0.12        8.15
                                    BOM |      5,496        6.42       14.57
                                    BOT |         28        0.03       14.60
                                    BRU |        226        0.26       14.87
                                    BSE |        575        0.67       15.54
                                    BUD |         79        0.09       15.63
                                    BUE |         89        0.10       15.73
                                   BVCA |         32        0.04       15.77
                                   BVMF |        991        1.16       16.93
                                    CAI |        286        0.33       17.26
                                    CAS |         81        0.09       17.36
                                   CESE |          7        0.01       17.36
                                   CHIX |         12        0.01       17.38
                                   CISE |          2        0.00       17.38
                                    CNQ |        843        0.98       18.36
                                    COL |        260        0.30       18.67
                                     CS |          9        0.01       18.68
                                    CSE |        281        0.33       19.01
                                   CSMR |          2        0.00       19.01
                                    CVE |        117        0.14       19.15
                                    CYS |        153        0.18       19.32
                                   ChSE |          3        0.00       19.33
                                    DAR |         19        0.02       19.35
                                    DFM |         70        0.08       19.43
                                    DHA |        382        0.45       19.88
                                   DIFX |          8        0.01       19.89
                                   DSMD |         57        0.07       19.95
                                    DUB |         71        0.08       20.04
                                    DUS |        110        0.13       20.16
                                 EASDAQ |          8        0.01       20.17
                                    ETR |        374        0.44       20.61
                                    FKA |         37        0.04       20.65
                                    FRA |        749        0.87       21.53
                                   FTSE |          4        0.00       21.53
                                  GHANA |          3        0.00       21.54
                                   GREY |        472        0.55       22.09
                                    HAM |         56        0.07       22.15
                                    HAN |          2        0.00       22.16
                                    HEL |        249        0.29       22.45
                                   HKFE |         71        0.08       22.53
                                    HKG |      1,212        1.41       23.94
                                   HSTC |      1,265        1.48       25.42
                                    ICE |         52        0.06       25.48
                                    IDX |        931        1.09       26.57
                                  INDOX |         36        0.04       26.61
                                   IPSX |          1        0.00       26.61
                                    IQS |        110        0.13       26.74
                                   ISDX |         33        0.04       26.78
                                    IST |        621        0.73       27.50
                                   ITAL |         58        0.07       27.57
                                    JSE |        426        0.50       28.07
                                    KAR |        530        0.62       28.69
                                    KLS |      1,146        1.34       30.03
                                    KRX |      3,068        3.58       33.61
                                    KUW |        180        0.21       33.82
                                 LAHORE |          3        0.00       33.82
                                  LIFFO |         13        0.02       33.84
                                    LIM |        170        0.20       34.03
                                   LIMA |         27        0.03       34.07
                                    LIS |         75        0.09       34.15
                                    LIT |         44        0.05       34.21
                                    LMX |          4        0.00       34.21
                                    LON |      3,669        4.28       38.49
                                    LTS |         68        0.08       38.57
                                    LUS |         17        0.02       38.59
                                    LUX |         52        0.06       38.65
                                    MAD |        328        0.38       39.04
                                    MAL |         40        0.05       39.08
                                    MCE |         74        0.09       39.17
                                   MEFF |          2        0.00       39.17
                                    MEX |        190        0.22       39.39
                                    MIL |        647        0.76       40.15
                                   MISX |        459        0.54       40.68
                                    MNT |          2        0.00       40.69
                                   MONT |         31        0.04       40.72
                                    MSW |         15        0.02       40.74
                                    MUN |         83        0.10       40.84
                                    MUS |        117        0.14       40.97
                                    NAI |         67        0.08       41.05
                                    NAM |         11        0.01       41.07
                                    NAS |     12,064       14.08       55.15
                                   NEOE |         31        0.04       55.19
                                   NEXX |         94        0.11       55.30
                                    NGM |        123        0.14       55.44
                                    NGO |         88        0.10       55.54
                                    NJM |        126        0.15       55.69
                                   NOTC |         24        0.03       55.72
                                    NOU |          4        0.00       55.72
                                    NSA |        204        0.24       55.96
                                    NSE |      1,283        1.50       57.46
                                    NYS |      5,325        6.22       63.67
                                    NZE |        208        0.24       63.92
                                    OCC |          4        0.00       63.92
                                    OSE |        160        0.19       64.11
                                    OSL |        600        0.70       64.81
                                    OTC |      3,628        4.24       69.05
                                    PAR |      1,443        1.68       70.73
                                   PFTS |         99        0.12       70.85
                                   PHIL |         32        0.04       70.88
                                    PHS |        286        0.33       71.22
                                   PINX |      3,616        4.22       75.44
                                    PRA |         43        0.05       75.49
                                    QUI |         10        0.01       75.50
                                    RIO |          3        0.00       75.50
                                    RIS |         38        0.04       75.55
                                   ROCO |        154        0.18       75.73
                                   RSMN |         37        0.04       75.77
                                    RTC |         16        0.02       75.79
                                    RTD |        127        0.15       75.94
                                    RTO |         14        0.02       75.95
                                  SAFEX |          3        0.00       75.96
                                    SAO |         68        0.08       76.04
                                    SAP |         17        0.02       76.06
                                    SAT |        253        0.30       76.35
                                    SAU |        409        0.48       76.83
                                    SES |        825        0.96       77.79
                                   SESU |          5        0.01       77.80
                                    SFE |          1        0.00       77.80
                                    SGO |        213        0.25       78.05
                                    SHE |        709        0.83       78.88
                                    SHG |        540        0.63       79.51
                                  SIMEX |          5        0.01       79.51
                                SRILANK |          4        0.00       79.52
                                    STC |        401        0.47       79.99
                                    STO |      1,059        1.24       81.22
                                    STU |         40        0.05       81.27
                                    SWA |          5        0.01       81.27
                                    SWF |          6        0.01       81.28
                                    SWX |        347        0.41       81.69
                                    TAE |        668        0.78       82.47
                                    TAI |        278        0.32       82.79
                                    TAL |         48        0.06       82.85
                                    TGE |         11        0.01       82.86
                                  TIFFE |          2        0.00       82.86
                                    TKS |      4,303        5.02       87.89
                                  TRINI |          4        0.00       87.89
                                    TRN |         20        0.02       87.91
                                    TSE |      1,993        2.33       90.24
                                    TSX |      3,129        3.65       93.89
                                   UKEX |        170        0.20       94.09
                                   VCSE |        256        0.30       94.39
                                   VESE |          1        0.00       94.39
                                    WAR |      1,125        1.31       95.71
                                    WBO |        151        0.18       95.88
                                    WSE |          3        0.00       95.89
                                   XBEL |        845        0.99       96.87
                                   XBLB |        352        0.41       97.28
                                   XBRA |         54        0.06       97.35
                                   XBRV |         44        0.05       97.40
                                   XBUL |        328        0.38       97.78
                                   XGHA |         32        0.04       97.82
                                   XGUA |         29        0.03       97.85
                                   XJAM |         80        0.09       97.95
                                   XKAZ |        112        0.13       98.08
                                   XLJU |        145        0.17       98.25
                                   XMAE |        159        0.19       98.43
                                   XMAU |        112        0.13       98.56
                                   XNEC |         56        0.07       98.63
                                   XNEP |        417        0.49       99.11
                                   XPAE |         51        0.06       99.17
                                   XPTY |         46        0.05       99.23
                                   XTEH |        362        0.42       99.65
                                   XTUN |         80        0.09       99.74
                                   XZIM |         68        0.08       99.82
                                    ZAG |        152        0.18      100.00

which of these exchanges are in the USA?