Quarter	US dollars
2004-12-31	424
2005-03-31	287
2005-06-30	428
2005-09-30	386
2005-12-31	489
2006-03-31	531
2006-06-30	499
2006-09-30	189
2006-12-31	342
2007-03-31	667
2007-06-30	821
2007-09-30	862
2007-12-31	1145
2008-03-31	1244
2008-06-30	1343
2008-09-30	1278
2008-12-31	959
2009-03-31	1334
2009-06-30	1380
2009-09-30	1027
2009-12-31	1156
2010-03-31	802
2010-06-30	664
2010-09-30	652
2010-12-31	869
2011-03-31	870
2011-06-30	705
2011-09-30	369
2011-12-31	554
2012-03-31	537
2012-06-30	464
2012-09-30	501
2012-12-31	453
2013-03-31	390
2013-06-30	419
2013-09-30	440
2013-12-31	383
2014-03-31	383
2014-06-30	521
2014-09-30	467
2014-12-31	400
2015-03-31	189
2015-06-30	247
2015-09-30	139
2015-12-31	98
2016-03-31	111
2016-06-30	106
2016-09-30	105
2016-12-31	109
2017-03-31	110
2017-06-30	181
2017-09-30	141
2017-12-31	177
2018-03-31	143
2018-06-30	96
2018-09-30	100
2018-12-31	72
2019-03-31	149
2019-06-30	125
2019-09-30	100
2019-12-31	143
2020-03-31	117
2020-06-30	151
2020-09-30	187
2020-12-31	217
2021-03-31	214
2021-06-30	169
2021-09-30	154
2021-12-31	220
2022-03-31	142
2022-06-30	202
2022-09-30	174
2022-12-31	139
2023-03-31	152
2023-06-30	169
2023-09-30	141