Quarter	US dollars
2004-12-31	3640
2005-03-31	3338
2005-06-30	3056
2005-09-30	1390
2005-12-31	1464
2006-03-31	1353
2006-06-30	1263
2006-09-30	1254
2006-12-31	1196
2007-03-31	1273
2007-06-30	1342
2007-09-30	1365
2007-12-31	1284
2008-03-31	1338
2008-06-30	1298
2008-09-30	1084
2008-12-31	753
2009-03-31	737
2009-06-30	777
2009-09-30	964
2009-12-31	1098
2010-03-31	1087
2010-06-30	1049
2010-09-30	1172
2010-12-31	1129
2011-03-31	886
2011-06-30	934
2011-09-30	1120
2011-12-31	833
2012-03-31	871
2012-06-30	951
2012-09-30	1111
2012-12-31	998
2013-03-31	1190
2013-06-30	1095
2013-09-30	1056
2013-12-31	896
2014-03-31	1085
2014-06-30	1098
2014-09-30	1023
2014-12-31	994
2015-03-31	974
2015-06-30	919
2015-09-30	885
2015-12-31	996
2016-03-31	968
2016-06-30	923
2016-09-30	872
2016-12-31	890
2017-03-31	1107
2017-06-30	1163
2017-09-30	1182
2017-12-31	1243
2018-03-31	1222
2018-06-30	1153
2018-09-30	1120
2018-12-31	1129
2019-03-31	1138
2019-06-30	1142
2019-09-30	1269
2019-12-31	1248
2020-03-31	799
2020-06-30	1130
2020-09-30	1397
2020-12-31	1272
2021-03-31	1399
2021-06-30	1316
2021-09-30	1149
2021-12-31	1101
2022-03-31	1171
2022-06-30	1004
2022-09-30	1086
2022-12-31	1211
2023-03-31	1357
2023-06-30	1114
2023-09-30	1288