Quarter	US dollars
2004-12-31	1079869
2005-03-31	1173914
2005-06-30	1112581
2005-09-30	1233934
2005-12-31	1104333
2006-03-31	1300237
2006-06-30	1353701
2006-09-30	1469328
2006-12-31	1496838
2007-03-31	1709624
2007-06-30	1712611
2007-09-30	1948066
2007-12-31	1899151
2008-03-31	2109093
2008-06-30	1950286
2008-09-30	1973934
2008-12-31	1670097
2009-03-31	1572181
2009-06-30	1615053
2009-09-30	1631735
2009-12-31	1521119
2010-03-31	1585636
2010-06-30	1570471
2010-09-30	1709477
2010-12-31	1661088
2011-03-31	1709516
2011-06-30	1748396
2011-09-30	1741290
2011-12-31	1620433
2012-03-31	1686702
2012-06-30	1600752
2012-09-30	1625033
2012-12-31	1596831
2013-03-31	1583009
2013-06-30	1554026
2013-09-30	1607357
2013-12-31	1557833
2014-03-31	1574148
2014-06-30	1574705
2014-09-30	1512995
2014-12-31	1469966
2015-03-31	1461472
2015-06-30	1379322
2015-09-30	1366967
2015-12-31	1270388
2016-03-31	1296937
2016-06-30	1319637
2016-09-30	1268999
2016-12-31	1207226
2017-03-31	1295160
2017-06-30	1408433
2017-09-30	1406500
2017-12-31	1463737
2018-03-31	1580479
2018-06-30	1534012
2018-09-30	1504703
2018-12-31	1474385
2019-03-31	1596735
2019-06-30	1638622
2019-09-30	1664410
2019-12-31	1629963
2020-03-31	1742732
2020-06-30	1681268
2020-09-30	1720019
2020-12-31	1830334
2021-03-31	1842878
2021-06-30	1805302
2021-09-30	1817812
2021-12-31	1902721
2022-03-31	1900066
2022-06-30	1799864
2022-09-30	1780813
2022-12-31	1846966
2023-03-31	1930817
2023-06-30	2019440
2023-09-30	2054082