Quarterly US dollars
1999-03-31 13056
1999-06-30 15842
1999-09-30 15665
1999-12-31 15284
2000-03-31 16119
2000-06-30 18281
2000-09-30 16916
2000-12-31 15149
2001-03-31 16129
2001-06-30 16764
2001-09-30 17852
2001-12-31 17595
2002-03-31 22511
2002-06-30 23284
2002-09-30 21044
2002-12-31 23208
2003-03-31 26844
2003-06-30 26185
2003-09-30 27827
2003-12-31 34123
2004-03-31 38339
2004-06-30 38011
2004-09-30 40300
2004-12-31 45673
2005-03-31 48178
2005-06-30 57036
2005-09-30 60854
2005-12-31 58547
2006-03-31 60052
2006-06-30 67529
2006-09-30 63915
2006-12-31 65380
2007-03-31 87259
2007-06-30 89747
2007-09-30 88766
2007-12-31 103228
2008-03-31 110200
2008-06-30 105233
2008-09-30 96796
2008-12-31 92306
2009-03-31 106042
2009-06-30 111676
2009-09-30 87024
2009-12-31 86565
2010-03-31 117050
2010-06-30 118621
2010-09-30 125658
2010-12-31 131771
2011-03-31 91459
2011-06-30 99143
2011-09-30 89279
2011-12-31 75371
2012-03-31 77510
2012-06-30 74490
2012-09-30 77644
2012-12-31 88019
2013-03-31 72883
2013-06-30 70529
2013-09-30 76354
2013-12-31 77828
2014-03-31 78417
2014-06-30 81304
2014-09-30 84256
2014-12-31 83507
2015-03-31 82823
2015-06-30 89056
2015-09-30 85594
2015-12-31 78033
2016-03-31 81007
2016-06-30 84365
2016-09-30 83838
2016-12-31 77617
2017-03-31 78243
2017-06-30 85586
2017-09-30 91945
2017-12-31 96879
2018-03-31 98793
2018-06-30 101987
2018-09-30 100249
2018-12-31 94874
2019-03-31 85234
2019-06-30 95508
2019-09-30 100805
2019-12-31 84025
2020-03-31 87514
2020-06-30 95151
2020-09-30 92851
2020-12-31 84474
2021-03-31 82857
2021-06-30 99105
2021-09-30 93311
2021-12-31 95195
2022-03-31 99455
2022-06-30 110515
2022-09-30 99565
2022-12-31 93591
2023-03-31 92149
2023-06-30 87332
2023-09-30 82621