PERIOD	VALUE
1998-04	3602
1998-05	3675
1998-06	3627
1998-07	4091
1998-08	3905
1998-09	4113
1998-10	4605
1998-11	4946
1998-12	4755
1999-01	4276
1999-02	4257
1999-03	4287
1999-04	4481
1999-05	4681
1999-06	4628
1999-07	4782
1999-08	4782
1999-09	4557
1999-10	5000
1999-11	4508
1999-12	4473
2000-01	3709
2000-02	3752
2000-03	3677
2000-04	3550
2000-05	3550
2000-06	3583
2000-07	3646
2000-08	3642
2000-09	3519
2000-10	3574
2000-11	3831
2000-12	3518
2001-01	2760
2001-02	1380
2001-03	1337
2001-04	1283
2001-05	1097
2001-06	1286
2001-07	1115
2001-08	1123
2001-09	1099
2001-10	981
2001-11	907
2001-12	894
2002-01	516
2002-02	554
2002-03	665
2002-04	668
2002-05	762
2002-06	722
2002-07	724
2002-08	772
2002-09	397
2002-10	408
2002-11	466
2002-12	243
2003-01	102
2003-02	106
2003-03	18
2003-04	18
2003-05	27
2003-06	98
2003-07	168
2003-08	158
2003-09	76
2003-10	51
2003-11	25
2003-12	26
2004-01	64
2004-02	84
2004-03	44
2004-04	41
2004-05	49
2004-06	18
2004-07	19
2004-08	-9
2004-09	-6
2004-10	-8
2004-11	-11
2004-12	-20
2005-01	-12
2005-02	1
2005-03	3
2005-04	31
2005-05	19
2005-06	21
2005-07	26
2005-08	18
2005-09	13
2005-10	22
2005-11	-9
2005-12	-30
2006-01	148
2006-02	-6
2006-03	37
2006-04	27
2006-05	60
2006-06	154
2006-07	137
2006-08	76
2006-09	132
2006-10	123
2006-11	132
2006-12	105
2007-01	72
2007-02	90
2007-03	97
2007-04	33
2007-05	27
2007-06	18
2007-07	275
2007-08	-4
2007-09	0
2007-10	15
2007-11	-3
2007-12	9
2008-01	79
2008-02	43
2008-03	0
2008-04	6
2008-05	7
2008-06	0
2008-07	1
2008-08	1
2008-09	2
2008-10	1
2008-11	1
2008-12	1
2009-01	-1
2009-02	8
2009-03	-1
2009-04	0
2009-05	-1
2009-06	-1
2009-07	0
2009-08	0
2009-09	0
2009-10	2
2009-11	0
2009-12	0