Quarter	US dollars
1994-03-31	1912
1994-06-30	1837
1994-09-30	1880
1994-12-31	1896
1995-03-31	2169
1995-06-30	2240
1995-09-30	2330
1995-12-31	2518
1996-03-31	2564
1996-06-30	2496
1996-09-30	2488
1996-12-31	2468
1997-03-31	2352
1997-06-30	2212
1997-09-30	2254
1997-12-31	3040
1998-03-31	3038
1998-06-30	3087
1998-09-30	3654
1998-12-31	4156
1999-03-31	5097
1999-06-30	5323
1999-09-30	5599
1999-12-31	5270
2000-03-31	5155
2000-06-30	4324
2000-09-30	3906
2000-12-31	4298
2001-03-31	4079
2001-06-30	4291
2001-09-30	5061
2001-12-31	5064
2002-03-31	4902
2002-06-30	5601
2002-09-30	5879
2002-12-31	6207
2003-03-31	6268
2003-06-30	6500
2003-09-30	6791
2003-12-31	6332
2004-03-31	6322
2004-06-30	5675
2004-09-30	5514
2004-12-31	5533
2005-03-31	5198
2005-06-30	4302
2005-09-30	3621
2005-12-31	1765
2006-03-31	1771
2006-06-30	2262
2006-09-30	1935
2006-12-31	1414
2007-03-31	1210
2007-06-30	1135
2007-09-30	1103
2007-12-31	1099
2008-03-31	1115
2008-06-30	1366
2008-09-30	1242
2008-12-31	2350
2009-03-31	2431
2009-06-30	3510
2009-09-30	3944
2009-12-31	3333
2010-03-31	3515
2010-06-30	4077
2010-09-30	4858
2010-12-31	4892
2011-03-31	7039
2011-06-30	7102
2011-09-30	7680
2011-12-31	8441
2012-03-31	8969
2012-06-30	9044
2012-09-30	9201
2012-12-31	8863
2013-03-31	8641
2013-06-30	8518
2013-09-30	8325
2013-12-31	7991
2014-03-31	7708
2014-06-30	7838
2014-09-30	7203
2014-12-31	5358
2015-03-31	4345
2015-06-30	4272
2015-09-30	4324
2015-12-31	4197
2016-03-31	7426
2016-06-30	7280
2016-09-30	7314
2016-12-31	6678
2017-03-31	6571
2017-06-30	6968
2017-09-30	6756
2017-12-31	5939
2018-03-31	5766
2018-06-30	6305
2018-09-30	6279
2018-12-31	6434
2019-03-31	6422
2019-06-30	6986
2019-09-30	7063
2019-12-31	6486
2020-03-31	6359
2020-06-30	6638
2020-09-30	6854
2020-12-31	7263
2021-03-31	6956
2021-06-30	6987
2021-09-30	6848
2021-12-31	7081
2022-03-31	7294
2022-06-30	7004
2022-09-30	6724
2022-12-31	7306
2023-03-31	7345
2023-06-30	7262
2023-09-30	7180
2023-12-31	7278