Quarter	US dollars
1999-09-30	128
1999-12-31	116
2000-03-31	131
2000-06-30	126
2000-09-30	106
2000-12-31	115
2001-03-31	138
2001-06-30	128
2001-09-30	79
2001-12-31	77
2002-03-31	74
2002-06-30	64
2002-09-30	120
2002-12-31	148
2003-03-31	150
2003-06-30	129
2003-09-30	133
2003-12-31	167
2004-03-31	140
2004-06-30	158
2004-09-30	143
2004-12-31	161
2005-03-31	153
2005-06-30	147
2005-09-30	57
2005-12-31	151
2006-03-31	132
2006-06-30	135
2006-09-30	146
2006-12-31	125
2007-03-31	20
2007-06-30	156
2007-09-30	185
2007-12-31	293
2008-03-31	308
2008-06-30	450
2008-09-30	367
2008-12-31	313
2009-03-31	321
2009-06-30	313
2009-09-30	289
2009-12-31	249
2010-03-31	406
2010-06-30	371
2010-09-30	411
2010-12-31	396
2011-03-31	412
2011-06-30	453
2011-09-30	391
2011-12-31	298
2012-03-31	142
2012-06-30	124
2012-09-30	194
2012-12-31	168
2013-03-31	138
2013-06-30	309
2013-09-30	335
2013-12-31	349
2014-03-31	372
2014-06-30	388
2014-09-30	374
2014-12-31	250
2015-03-31	273
2015-06-30	404
2015-09-30	414
2015-12-31	436
2016-03-31	499
2016-06-30	397
2016-09-30	424
2016-12-31	565
2017-03-31	545
2017-06-30	431
2017-09-30	503
2017-12-31	412
2018-03-31	428
2018-06-30	389
2018-09-30	366
2018-12-31	559
2019-03-31	547
2019-06-30	644
2019-09-30	474
2019-12-31	461
2020-03-31	471
2020-06-30	545
2020-09-30	410
2020-12-31	429
2021-03-31	483
2021-06-30	696
2021-09-30	609
2021-12-31	668
2022-03-31	608
2022-06-30	624
2022-09-30	759
2022-12-31	838
2023-03-31	968
2023-06-30	986
2023-09-30	1075