Quarter	US dollars
1999-03-31	148
1999-06-30	147
1999-09-30	148
1999-12-31	164
2000-03-31	197
2000-06-30	103
2000-09-30	138
2000-12-31	128
2001-03-31	128
2001-06-30	137
2001-09-30	156
2001-12-31	171
2002-03-31	255
2002-06-30	191
2002-09-30	241
2002-12-31	281
2003-03-31	249
2003-06-30	300
2003-09-30	202
2003-12-31	236
2004-03-31	410
2004-06-30	414
2004-09-30	676
2004-12-31	662
2005-03-31	614
2005-06-30	678
2005-09-30	586
2005-12-31	474
2006-03-31	539
2006-06-30	809
2006-09-30	969
2006-12-31	1256
2007-03-31	1191
2007-06-30	1239
2007-09-30	1200
2007-12-31	1332
2008-03-31	1635
2008-06-30	1956
2008-09-30	1649
2008-12-31	1848
2009-03-31	1761
2009-06-30	2240
2009-09-30	2211
2009-12-31	1799
2010-03-31	1744
2010-06-30	1545
2010-09-30	1827
2010-12-31	1720
2011-03-31	1787
2011-06-30	1705
2011-09-30	1518
2011-12-31	1345
2012-03-31	1282
2012-06-30	1175
2012-09-30	1266
2012-12-31	1068
2013-03-31	916
2013-06-30	1039
2013-09-30	967
2013-12-31	652
2014-03-31	554
2014-06-30	621
2014-09-30	684
2014-12-31	1317
2015-03-31	436
2015-06-30	637
2015-09-30	559
2015-12-31	519
2016-03-31	606
2016-06-30	583
2016-09-30	500
2016-12-31	446
2017-03-31	413
2017-06-30	436
2017-09-30	432
2017-12-31	468
2018-03-31	340
2018-06-30	313
2018-09-30	342
2018-12-31	292
2019-03-31	204
2019-06-30	244
2019-09-30	183
2019-12-31	213
2020-03-31	209
2020-06-30	96
2020-09-30	96
2020-12-31	244
2021-03-31	200
2021-06-30	127
2021-09-30	106
2021-12-31	116
2022-03-31	148
2022-06-30	123
2022-09-30	160
2022-12-31	135
2023-03-31	170
2023-06-30	96
2023-09-30	97