Month	US dollars
1999-07-31	-5678
1999-08-31	-988
1999-09-30	-3691
1999-10-31	-1045
1999-11-30	138
1999-12-31	-290
2000-01-31	-2968
2000-02-29	-3648
2000-03-31	153
2000-04-30	-85
2000-05-31	174
2000-06-30	182
2000-07-31	96
2000-08-31	259
2000-09-30	231
2000-10-31	208
2000-11-30	141
2000-12-31	42
2001-01-31	-118
2001-02-28	-154
2001-03-31	-309
2001-04-30	-191
2001-05-31	-795
2001-06-30	-2120
2001-07-31	-934
2001-08-31	-414
2001-09-30	-853
2001-10-31	-777
2001-11-30	-1068
2001-12-31	-1557
2002-01-31	-1550
2002-02-28	-1187
2002-03-31	-959
2002-04-30	-1078
2002-05-31	-813
2002-06-30	-910
2002-07-31	-1229
2002-08-31	-1071
2002-09-30	-1216
2002-10-31	-948
2002-11-30	-1315
2002-12-31	-1167
2003-01-31	-1331
2003-02-28	-1785
2003-03-31	-689
2003-04-30	-767
2003-05-31	-588
2003-06-30	-902
2003-07-31	-1011
2003-08-31	-879
2003-09-30	-286
2003-10-31	-338
2003-11-30	-345
2003-12-31	-1482
2004-01-31	-1438
2004-02-29	-1111
2004-03-31	-1139
2004-04-30	-2625
2004-05-31	-2264
2004-06-30	-3050
2004-07-31	-3699
2004-08-31	-4010
2004-09-30	-3824
2004-10-31	-2216
2004-11-30	-2275
2004-12-31	-2867
2005-01-31	-3083
2005-02-28	-3107
2005-03-31	-4945
2005-04-30	-4343
2005-05-31	-5077
2005-06-30	-4979
2005-07-31	-5476
2005-08-31	-4096
2005-09-30	-5229
2005-10-31	-5823
2005-11-30	-4852
2005-12-31	-5868
2006-01-31	-5612
2006-02-28	-5616
2006-03-31	-5569
2006-04-30	-4919
2006-05-31	-5774
2006-06-30	-5423
2006-07-31	-5284
2006-08-31	-5228
2006-09-30	-5290
2006-10-31	-5958
2006-11-30	-7111
2006-12-31	-7188
2007-01-31	-7343
2007-02-28	-7464
2007-03-31	-8232
2007-04-30	-7910
2007-05-31	-7855
2007-06-30	-19565
2007-07-31	-7662
2007-08-31	-7984
2007-09-30	-8904
2007-10-31	-7053
2007-11-30	-7134
2007-12-31	-7055
2008-01-31	-6100
2008-02-29	-6509
2008-03-31	-8814
2008-04-30	-6457
2008-05-31	-3509
2008-06-30	-2274
2008-07-31	-1512
2008-08-31	-697
2008-09-30	-39728
2008-10-31	-72591
2008-11-30	-53999
2008-12-31	-33682
2009-01-31	-23733
2009-02-28	-16967
2009-03-31	-16837
2009-04-30	-13959
2009-05-31	-4762
2009-06-30	-4107
2009-07-31	-4050
2009-08-31	-4403
2009-09-30	-4365
2009-10-31	-3424
2009-11-30	-3336
2009-12-31	-2315
2010-01-31	-1695
2010-02-28	-2419
2010-03-31	-4227
2010-04-30	-3102
2010-05-31	-1494
2010-06-30	-1564
2010-07-31	-1397
2010-08-31	-1798
2010-09-30	-2368
2010-10-31	-1651
2010-11-30	-165
2010-12-31	-2806
2011-01-31	-4504
2011-02-28	-4243
2011-03-31	-8053
2011-04-30	-7841
2011-05-31	-7905
2011-06-30	-8144
2011-07-31	-4774
2011-08-31	-5419
2011-09-30	-5712
2011-10-31	-5416
2011-11-30	-5971
2011-12-31	-5838
2012-01-31	-5041
2012-02-29	-4116
2012-03-31	-6390
2012-04-30	-4524
2012-05-31	-4048
2012-06-30	-3817
2012-07-31	-3001
2012-08-31	-3644
2012-09-30	-3937
2012-10-31	-3328
2012-11-30	-2793
2012-12-31	-2710
2013-01-31	-2618
2013-02-28	-1837
2013-03-31	-3824
2013-04-30	-3330
2013-05-31	-3718
2013-06-30	-3003
2013-07-31	-3248
2013-08-31	-2544
2013-09-30	-2580
2013-10-31	-3235
2013-11-30	-3956
2013-12-31	-3830
2014-01-31	-3111
2014-02-28	-2942
2014-03-31	-2983
2014-04-30	-1249
2014-05-31	-2148
2014-06-30	-2603
2014-07-31	-2002
2014-08-31	-3083
2014-09-30	-4414
2014-10-31	-4557
2014-11-30	-4475
2014-12-31	-4749
2015-01-31	-4921
2015-02-28	-5933
2015-03-31	-5534
2015-04-30	-6894
2015-05-31	-5917
2015-06-30	-6058
2015-07-31	-6955
2015-08-31	-7129
2015-09-30	-6791
2015-10-31	-7473
2015-11-30	-6443
2015-12-31	-7696
2016-01-31	-7628
2016-02-29	-7947
2016-03-31	-8234
2016-04-30	-8310
2016-05-31	-7228
2016-06-30	-6736
2016-07-31	-5619
2016-08-31	-4377
2016-09-30	-3103
2016-10-31	-2251
2016-11-30	-1512
2016-12-31	-1175
2017-01-31	-1183
2017-02-28	-1037
2017-03-31	-1650
2017-04-30	-2097
2017-05-31	-2465
2017-06-30	-2547
2017-07-31	-2827
2017-08-31	-2710
2017-09-30	-2587
2017-10-31	-2254
2017-11-30	-2685
2017-12-31	-2411
2018-01-31	-3199
2018-02-28	-2961
2018-03-31	-3343
2018-04-30	-3095
2018-05-31	-2556
2018-06-30	-2707
2018-07-31	-3197
2018-08-31	-3132
2018-09-30	-2912
2018-10-31	-2457
2018-11-30	-2118
2018-12-31	-2225
2019-01-31	-2463
2019-02-28	-2239
2019-03-31	-1934
2019-04-30	-513
2019-05-31	-588
2019-06-30	-726
2019-07-31	-552
2019-08-31	-458
2019-09-30	-327
2019-10-31	-1003
2019-11-30	-251
2019-12-31	-911
2020-01-31	-471
2020-02-29	-990
2020-03-31	-1101
2020-04-30	-1157
2020-05-31	-1280
2020-06-30	-1131
2020-07-31	-1905
2020-08-31	-1617
2020-09-30	-1058
2020-10-31	-1169
2020-11-30	-1396
2020-12-31	-1789
2021-01-31	-1141
2021-02-28	-568
2021-03-31	-844
2021-04-30	-918
2021-05-31	-1221
2021-06-30	-871
2021-07-31	-923
2021-08-31	-832
2021-09-30	-1645
2021-10-31	-1083
2021-11-30	-1206
2021-12-31	-1761
2022-01-31	-1993
2022-02-28	-2104
2022-03-31	-2065
2022-04-30	-1725
2022-05-31	-2095
2022-06-30	-1464
2022-07-31	-2241
2022-08-31	-2122
2022-09-30	-1717
2022-10-31	-1709
2022-11-30	-2322
2022-12-31	-2404
2023-01-31	-2225
2023-02-28	-1096
2023-03-31	-869
2023-04-30	-777
2023-05-31	83
2023-06-30	-329
2023-07-31	-535
2023-08-31	2013
2023-09-30	-115
2023-10-31	-275
2023-11-30	-539
2023-12-31	-868