Quarterly US dollars
1993-09-30 302
1993-12-31 421
1994-03-31 488
1994-06-30 628
1994-09-30 813
1994-12-31 806
1995-03-31 999
1995-06-30 1076
1995-09-30 2446
1995-12-31 2819
1996-03-31 2960
1996-06-30 4243
1996-09-30 3507
1996-12-31 3543
1997-03-31 4127
1997-06-30 4914
1997-09-30 4349
1997-12-31 3295
1998-03-31 3335
1998-06-30 3312
1998-09-30 3269
1998-12-31 2410
1999-03-31 2389
1999-06-30 2950
1999-09-30 2577
1999-12-31 2012
2000-03-31 2034
2000-06-30 2747
2000-09-30 3827
2000-12-31 2901
2001-03-31 2618
2001-06-30 2912
2001-09-30 2662
2001-12-31 3680
2002-03-31 3076
2002-06-30 4013
2002-09-30 3872
2002-12-31 2440
2003-03-31 2585
2003-06-30 2912
2003-09-30 2615
2003-12-31 2321
2004-03-31 1372
2004-06-30 2156
2004-09-30 1843
2004-12-31 2334
2005-03-31 2537
2005-06-30 2806
2005-09-30 2859
2005-12-31 3666
2006-03-31 4834
2006-06-30 4761
2006-09-30 5801
2006-12-31 4610
2007-03-31 3643
2007-06-30 4248
2007-09-30 3917
2007-12-31 4806
2008-03-31 6312
2008-06-30 4990
2008-09-30 5311
2008-12-31 4000
2009-03-31 2995
2009-06-30 3605
2009-09-30 2772
2009-12-31 4219
2010-03-31 3255
2010-06-30 1533
2010-09-30 2753
2010-12-31 2321
2011-03-31 2603
2011-06-30 2059
2011-09-30 3267
2011-12-31 3244
2012-03-31 5105
2012-06-30 4808
2012-09-30 3530
2012-12-31 2935
2013-03-31 2360
2013-06-30 2256
2013-09-30 2118
2013-12-31 2105
2014-03-31 2648
2014-06-30 1835
2014-09-30 1331
2014-12-31 1257
2015-03-31 1693
2015-06-30 1352
2015-09-30 2179
2015-12-31 1307
2016-03-31 1432
2016-06-30 1447
2016-09-30 1304
2016-12-31 2154
2017-03-31 5151
2017-06-30 3327
2017-09-30 1664
2017-12-31 2382
2018-03-31 2174
2018-06-30 3534
2018-09-30 1402
2018-12-31 2526
2019-03-31 1807
2019-06-30 2105
2019-09-30 1622
2019-12-31 2027
2020-03-31 2349
2020-06-30 2438
2020-09-30 2515
2020-12-31 3149
2021-03-31 2222
2021-06-30 2131
2021-09-30 1624
2021-12-31 2391
2022-03-31 2617
2022-06-30 3266
2022-09-30 2065
2022-12-31 1966
2023-03-31 1923
2023-06-30 5644
2023-09-30 4598