Quarter	US dollars
2004-12-31	1771949
2005-03-31	1930741
2005-06-30	1901667
2005-09-30	2052813
2005-12-31	1944379
2006-03-31	2206852
2006-06-30	2276661
2006-09-30	2413593
2006-12-31	2455195
2007-03-31	2748242
2007-06-30	2759282
2007-09-30	3063125
2007-12-31	2971675
2008-03-31	3325258
2008-06-30	3074599
2008-09-30	3245397
2008-12-31	2707474
2009-03-31	2643526
2009-06-30	2675334
2009-09-30	2654150
2009-12-31	2499911
2010-03-31	2671819
2010-06-30	2611641
2010-09-30	2694858
2010-12-31	2528951
2011-03-31	2604162
2011-06-30	2627099
2011-09-30	2639069
2011-12-31	2505256
2012-03-31	2697460
2012-06-30	2556710
2012-09-30	2537962
2012-12-31	2541564
2013-03-31	2337516
2013-06-30	2391413
2013-09-30	2349455
2013-12-31	2226332
2014-03-31	2253246
2014-06-30	2208631
2014-09-30	2093475
2014-12-31	2044316
2015-03-31	1979390
2015-06-30	1901886
2015-09-30	1761801
2015-12-31	1678179
2016-03-31	1717960
2016-06-30	1800532
2016-09-30	1726743
2016-12-31	1661648
2017-03-31	1798303
2017-06-30	1906363
2017-09-30	1965253
2017-12-31	2013706
2018-03-31	2103736
2018-06-30	2012580
2018-09-30	2009038
2018-12-31	1954316
2019-03-31	2043873
2019-06-30	2095960
2019-09-30	2094908
2019-12-31	2060941
2020-03-31	2301129
2020-06-30	2278226
2020-09-30	2353195
2020-12-31	2403744
2021-03-31	2440775
2021-06-30	2473637
2021-09-30	2495950
2021-12-31	2488853
2022-03-31	2535629
2022-06-30	2437012
2022-09-30	2388545
2022-12-31	2433677
2023-03-31	2562591
2023-06-30	2712297
2023-09-30	2710527