PERIOD	VALUE
1998-04	3737
1998-05	4018
1998-06	4105
1998-07	4161
1998-08	4128
1998-09	3720
1998-10	3918
1998-11	3803
1998-12	4025
1999-01	3914
1999-02	3780
1999-03	4555
1999-04	5720
1999-05	5536
1999-06	6271
1999-07	5878
1999-08	5575
1999-09	7294
1999-10	4454
1999-11	6677
1999-12	5141
2000-01	3227
2000-02	3334
2000-03	7269
2000-04	7324
2000-05	3377
2000-06	10520
2000-07	9256
2000-08	11226
2000-09	5065
2000-10	3353
2000-11	7371
2000-12	13297
2001-01	5183
2001-02	4970
2001-03	5181
2001-04	3532
2001-05	3472
2001-06	5370
2001-07	3648
2001-08	4201
2001-09	5968
2001-10	6173
2001-11	12124
2001-12	15454
2002-01	10135
2002-02	8680
2002-03	11562
2002-04	8968
2002-05	12846
2002-06	17900
2002-07	14144
2002-08	16123
2002-09	20867
2002-10	19882
2002-11	22175
2002-12	27544
2003-01	20660
2003-02	17321
2003-03	18759
2003-04	17284
2003-05	19866
2003-06	25510
2003-07	19929
2003-08	15935
2003-09	18992
2003-10	18401
2003-11	21485
2003-12	27750
2004-01	21634
2004-02	20454
2004-03	20423
2004-04	18345
2004-05	20846
2004-06	26736
2004-07	16183
2004-08	17060
2004-09	18594
2004-10	16141
2004-11	24095
2004-12	31234
2005-01	19678
2005-02	17340
2005-03	21896
2005-04	20467
2005-05	22203
2005-06	26837
2005-07	21903
2005-08	20517
2005-09	24375
2005-10	25480
2005-11	26525
2005-12	34106
2006-01	22132
2006-02	17614
2006-03	22548
2006-04	22885
2006-05	24265
2006-06	23667
2006-07	22697
2006-08	20389
2006-09	25416
2006-10	21272
2006-11	22938
2006-12	29085
2007-01	17801
2007-02	18310
2007-03	23987
2007-04	20954
2007-05	21726
2007-06	21680
2007-07	17514
2007-08	16898
2007-09	16844
2007-10	15484
2007-11	15975
2007-12	22046
2008-01	18068
2008-02	20060
2008-03	20764
2008-04	26151
2008-05	24272
2008-06	17578
2008-07	17155
2008-08	16931
2008-09	18957
2008-10	17090
2008-11	14651
2008-12	14274
2009-01	14309
2009-02	17456
2009-03	16437
2009-04	18731
2009-05	18509
2009-06	20557
2009-07	22715
2009-08	23780
2009-09	24042
2009-10	24335
2009-11	24594
2009-12	33527