Quarterly US dollars
1999-03-31 927
1999-06-30 1050
1999-09-30 1116
1999-12-31 1020
2000-03-31 1088
2000-06-30 1052
2000-09-30 967
2000-12-31 1376
2001-03-31 1364
2001-06-30 1552
2001-09-30 433
2001-12-31 354
2002-03-31 852
2002-06-30 1039
2002-09-30 1541
2002-12-31 1062
2003-03-31 1519
2003-06-30 1422
2003-09-30 2097
2003-12-31 1748
2004-03-31 2598
2004-06-30 2045
2004-09-30 2833
2004-12-31 2288
2005-03-31 2993
2005-06-30 2404
2005-09-30 2283
2005-12-31 1244
2006-03-31 2624
2006-06-30 3155
2006-09-30 2917
2006-12-31 2427
2007-03-31 3160
2007-06-30 3079
2007-09-30 2640
2007-12-31 2251
2008-03-31 2762
2008-06-30 4109
2008-09-30 2623
2008-12-31 1840
2009-03-31 1596
2009-06-30 1437
2009-09-30 1327
2009-12-31 1644
2010-03-31 1449
2010-06-30 1360
2010-09-30 1608
2010-12-31 1718
2011-03-31 2644
2011-06-30 2973
2011-09-30 3045
2011-12-31 3464
2012-03-31 1478
2012-06-30 2321
2012-09-30 2176
2012-12-31 2281
2013-03-31 2872
2013-06-30 3224
2013-09-30 3286
2013-12-31 4308
2014-03-31 6104
2014-06-30 6534
2014-09-30 7068
2014-12-31 5442
2015-03-31 5421
2015-06-30 5098
2015-09-30 3665
2015-12-31 2707
2016-03-31 2912
2016-06-30 3229
2016-09-30 2095
2016-12-31 2243
2017-03-31 2723
2017-06-30 3439
2017-09-30 2733
2017-12-31 2819
2018-03-31 3265
2018-06-30 3422
2018-09-30 3260
2018-12-31 2488
2019-03-31 3023
2019-06-30 2442
2019-09-30 3049
2019-12-31 3378
2020-03-31 3960
2020-06-30 3525
2020-09-30 3941
2020-12-31 4843
2021-03-31 4127
2021-06-30 2861
2021-09-30 3219
2021-12-31 3414
2022-03-31 3586
2022-06-30 4262
2022-09-30 3280
2022-12-31 2991
2023-03-31 3505
2023-06-30 4264
2023-09-30 4742