Quarter	US dollars
2004-12-31	97944
2005-03-31	101736
2005-06-30	102667
2005-09-30	101467
2005-12-31	102660
2006-03-31	102688
2006-06-30	104388
2006-09-30	108604
2006-12-31	111101
2007-03-31	115764
2007-06-30	114417
2007-09-30	122821
2007-12-31	116531
2008-03-31	120653
2008-06-30	122650
2008-09-30	127007
2008-12-31	127964
2009-03-31	122951
2009-06-30	127219
2009-09-30	132873
2009-12-31	132628
2010-03-31	134750
2010-06-30	145489
2010-09-30	169484
2010-12-31	176322
2011-03-31	181623
2011-06-30	192473
2011-09-30	194663
2011-12-31	193077
2012-03-31	195412
2012-06-30	201356
2012-09-30	202342
2012-12-31	200543
2013-03-31	204966
2013-06-30	210723
2013-09-30	218951
2013-12-31	220211
2014-03-31	225314
2014-06-30	241228
2014-09-30	236702
2014-12-31	243422
2015-03-31	248441
2015-06-30	253597
2015-09-30	244482
2015-12-31	239966
2016-03-31	238249
2016-06-30	249505
2016-09-30	253018
2016-12-31	261159
2017-03-31	270656
2017-06-30	280940
2017-09-30	288900
2017-12-31	302324
2018-03-31	311559
2018-06-30	327510
2018-09-30	322011
2018-12-31	326424
2019-03-31	332936
2019-06-30	348522
2019-09-30	353817
2019-12-31	358698
2020-03-31	367239
2020-06-30	366096
2020-09-30	376048
2020-12-31	357993
2021-03-31	363653
2021-06-30	390645
2021-09-30	379275
2021-12-31	374057
2022-03-31	376877
2022-06-30	379175
2022-09-30	375429
2022-12-31	374674
2023-03-31	380520
2023-06-30	374299
2023-09-30	369080