Month	Number
1979-01-01	26567
1979-02-01	28525
1979-03-01	33448
1979-04-01	33523
1979-05-01	34901
1979-06-01	35828
1979-07-01	35324
1979-08-01	32947
1979-09-01	31995
1979-10-01	32401
1979-11-01	29404
1979-12-01	28706
1980-01-01	25769
1980-02-01	29964
1980-03-01	33671
1980-04-01	32908
1980-05-01	35076
1980-06-01	33435
1980-07-01	35553
1980-08-01	31438
1980-09-01	32599
1980-10-01	35694
1980-11-01	27042
1980-12-01	27471
1981-01-01	24566
1981-02-01	24113
1981-03-01	33345
1981-04-01	31892
1981-05-01	35977
1981-06-01	33248
1981-07-01	34640
1981-08-01	31473
1981-09-01	28496
1981-10-01	29810
1981-11-01	23857
1981-12-01	24615
1982-01-01	24286
1982-02-01	23078
1982-03-01	29677
1982-04-01	29121
1982-05-01	28900
1982-06-01	30258
1982-07-01	30498
1982-08-01	28991
1982-09-01	28753
1982-10-01	29535
1982-11-01	26446
1982-12-01	25296
1983-01-01	26181
1983-02-01	26330
1983-03-01	33766
1983-04-01	38064
1983-05-01	39090
1983-06-01	41390
1983-07-01	37622
1983-08-01	38089
1983-09-01	34584
1983-10-01	36810
1983-11-01	34558
1983-12-01	33085
1984-01-01	29121
1984-02-01	26680
1984-03-01	35613
1984-04-01	29423
1984-05-01	33235
1984-06-01	28882
1984-07-01	33296
1984-08-01	28336
1984-09-01	26182
1984-10-01	25914
1984-11-01	21067
1984-12-01	18496
1985-01-01	18418
1985-02-01	19944
1985-03-01	21428
1985-04-01	25215
1985-05-01	23222
1985-06-01	21904
1985-07-01	24866
1985-08-01	21003
1985-09-01	21993
1985-10-01	21162
1985-11-01	16761
1985-12-01	16435
1986-01-01	14460
1986-02-01	16678
1986-03-01	18090
1986-04-01	22515
1986-05-01	20343
1986-06-01	22195
1986-07-01	21904
1986-08-01	20324
1986-09-01	18163
1986-10-01	17835
1986-11-01	15095
1986-12-01	11569
1987-01-01	10580
1987-02-01	12280
1987-03-01	16407
1987-04-01	16726
1987-05-01	17804
1987-06-01	17997
1987-07-01	19454
1987-08-01	18244
1987-09-01	17015
1987-10-01	16877
1987-11-01	14542
1987-12-01	12832
1988-01-01	12427
1988-02-01	13828
1988-03-01	16738
1988-04-01	18876
1988-05-01	19563
1988-06-01	20577
1988-07-01	20276
1988-08-01	19561
1988-09-01	19343
1988-10-01	19631
1988-11-01	16934
1988-12-01	16459
1989-01-01	15603
1989-02-01	18026
1989-03-01	20595
1989-04-01	23019
1989-05-01	23675
1989-06-01	25753
1989-07-01	26253
1989-08-01	23621
1989-09-01	22786
1989-10-01	27462
1989-11-01	22297
1989-12-01	26932
1990-01-01	24461
1990-02-01	25963
1990-03-01	34633
1990-04-01	33303
1990-05-01	35095
1990-06-01	35610
1990-07-01	37039
1990-08-01	33217
1990-09-01	32491
1990-10-01	34582
1990-11-01	31594
1990-12-01	33359
1991-01-01	28287
1991-02-01	28208
1991-03-01	30984
1991-04-01	35092
1991-05-01	32731
1991-06-01	37279
1991-07-01	38530
1991-08-01	35124
1991-09-01	33207
1991-10-01	35718
1991-11-01	32400
1991-12-01	33026
1992-01-01	31125
1992-02-01	28187
1992-03-01	40412
1992-04-01	33254
1992-05-01	40663
1992-06-01	40518
1992-07-01	43561
1992-08-01	40814
1992-09-01	40254
1992-10-01	40965
1992-11-01	38919
1992-12-01	40135
1993-01-01	31859
1993-02-01	31844
1993-03-01	44865
1993-04-01	40500
1993-05-01	45068
1993-06-01	49831
1993-07-01	48175
1993-08-01	47170
1993-09-01	47552
1993-10-01	47743
1993-11-01	41917
1993-12-01	47559
1994-01-01	49245
1994-02-01	47180
1994-03-01	58208
1994-04-01	61447
1994-05-01	57073
1994-06-01	64530
1994-07-01	61532
1994-08-01	63553
1994-09-01	58608
1994-10-01	64616
1994-11-01	57218
1994-12-01	69588
1995-01-01	49722
1995-02-01	48885
1995-03-01	57103
1995-04-01	54468
1995-05-01	53996
1995-06-01	53538
1995-07-01	56261
1995-08-01	53750
1995-09-01	48635
1995-10-01	49004
1995-11-01	48523
1995-12-01	65216
1996-01-01	43210
1996-02-01	41962
1996-03-01	50727
1996-04-01	50858
1996-05-01	47997
1996-06-01	53061
1996-07-01	52369
1996-08-01	48375
1996-09-01	45209
1996-10-01	46488
1996-11-01	43550
1996-12-01	52570
1997-01-01	39102
1997-02-01	42827
1997-03-01	42918
1997-04-01	45966
1997-05-01	47394
1997-06-01	46177
1997-07-01	47577
1997-08-01	42153
1997-09-01	44895
1997-10-01	45520
1997-11-01	39576
1997-12-01	45218
1998-01-01	31624
1998-02-01	30479
1998-03-01	38588
1998-04-01	40798
1998-05-01	45870
1998-06-01	46075
1998-07-01	40975
1998-08-01	41550
1998-09-01	40574
1998-10-01	40009
1998-11-01	34903
1998-12-01	46262
1999-01-01	31749
1999-02-01	28652
1999-03-01	37567
1999-04-01	37331
1999-05-01	38932
1999-06-01	40509
1999-07-01	40668
1999-08-01	36874
1999-09-01	36913
1999-10-01	37251
1999-11-01	33795
1999-12-01	37343
2000-01-01	30787
2000-02-01	28578
2000-03-01	34039
2000-04-01	28024
2000-05-01	31913
2000-06-01	30013
2000-07-01	30789
2000-08-01	30014
2000-09-01	27651
2000-10-01	25855
2000-11-01	24883
2000-12-01	25962
2001-01-01	21070
2001-02-01	23522
2001-03-01	26036
2001-04-01	25009
2001-05-01	28129
2001-06-01	26403
2001-07-01	28398
2001-08-01	25492
2001-09-01	22040
2001-10-01	24208
2001-11-01	20800
2001-12-01	19977
2002-01-01	21523
2002-02-01	21525
2002-03-01	21580
2002-04-01	25080
2002-05-01	23240
2002-06-01	23518
2002-07-01	25296
2002-08-01	21729
2002-09-01	20409
2002-10-01	20449
2002-11-01	19886
2002-12-01	29885
2003-01-01	32294
2003-02-01	28730
2003-03-01	27721
2003-04-01	24889
2003-05-01	23031
2003-06-01	22051
2003-07-01	22282
2003-08-01	20926
2003-09-01	21112
2003-10-01	22418
2003-11-01	20728
2003-12-01	30672
2004-01-01	29390
2004-02-01	29143
2004-03-01	30318
2004-04-01	23467
2004-05-01	19976
2004-06-01	20143
2004-07-01	18531
2004-08-01	19244
2004-09-01	18250
2004-10-01	18693
2004-11-01	19125
2004-12-01	21843
2005-01-01	20503
2005-02-01	19977
2005-03-01	20475
2005-04-01	18562
2005-05-01	18658
2005-06-01	19567
2005-07-01	18674
2005-08-01	19501
2005-09-01	20013
2005-10-01	18195
2005-11-01	20480
2005-12-01	25883
2006-01-01	26977
2006-02-01	24900
2006-03-01	27337
2006-04-01	21148
2006-05-01	21801
2006-06-01	18745
2006-07-01	20330
2006-08-01	19488
2006-09-01	17365
2006-10-01	16918
2006-11-01	15828
2006-12-01	16704
2007-01-01	13398
2007-02-01	12611
2007-03-01	14618
2007-04-01	15442
2007-05-01	16353
2007-06-01	15149
2007-07-01	16941
2007-08-01	15832
2007-09-01	15612
2007-10-01	16040
2007-11-01	14622
2007-12-01	15698
2008-01-01	12787
2008-02-01	13937
2008-03-01	13616
2008-04-01	16783
2008-05-01	14244
2008-06-01	16491
2008-07-01	16507
2008-08-01	14270
2008-09-01	14355
2008-10-01	14957
2008-11-01	12370
2008-12-01	14278
2009-01-01	10881
2009-02-01	11034
2009-03-01	13878
2009-04-01	14780
2009-05-01	15084
2009-06-01	15068
2009-07-01	16575
2009-08-01	15681
2009-09-01	15861
2009-10-01	16420
2009-11-01	14724
2009-12-01	17953
2010-01-01	12226
2010-02-01	12738
2010-03-01	14513
2010-04-01	13354
2010-05-01	15115
2010-06-01	16984
2010-07-01	18787
2010-08-01	17946
2010-09-01	16206
2010-10-01	16936
2010-11-01	16617
2010-12-01	16245
2011-01-01	14884
2011-02-01	15712
2011-03-01	20076
2011-04-01	17219
2011-05-01	21788
2011-06-01	18917
2011-07-01	19267
2011-08-01	20279
2011-09-01	19559
2011-10-01	18848
2011-11-01	18186
2011-12-01	23660
2012-01-01	13910
2012-02-01	15427
2012-03-01	19697
2012-04-01	18104
2012-05-01	23058
2012-06-01	23767
2012-07-01	22030
2012-08-01	21644
2012-09-01	20460
2012-10-01	22165
2012-11-01	18388
2012-12-01	20815
2013-01-01	17655
2013-02-01	18049
2013-03-01	19708
2013-04-01	23998
2013-05-01	22697
2013-06-01	22769
2013-07-01	28632
2013-08-01	24313
2013-09-01	24302
2013-10-01	23912
2013-11-01	20728
2013-12-01	23601
2014-01-01	20873
2014-02-01	19866
2014-03-01	23155
2014-04-01	23769
2014-05-01	25495
2014-06-01	23685
2014-07-01	27316
2014-08-01	24863
2014-09-01	23529
2014-10-01	26629
2014-11-01	20669
2014-12-01	25002
2015-01-01	19546
2015-02-01	21202
2015-03-01	24180
2015-04-01	24292
2015-05-01	24414
2015-06-01	26529
2015-07-01	29201
2015-08-01	26788
2015-09-01	26648
2015-10-01	27407
2015-11-01	26184
2015-12-01	32296
2016-01-01	26288
2016-02-01	27946
2016-03-01	30555
2016-04-01	32259
2016-05-01	31343
2016-06-01	34429
2016-07-01	30795
2016-08-01	31710
2016-09-01	30972
2016-10-01	32369
2016-11-01	31343
2016-12-01	35580
2017-01-01	25483
2017-02-01	25205
2017-03-01	28463
2017-04-01	27377
2017-05-01	30529
2017-06-01	32397
2017-07-01	29972
2017-08-01	30516
2017-09-01	26879
2017-10-01	29445
2017-11-01	27392
2017-12-01	34470
2018-01-01	24840
2018-02-01	24562
2018-03-01	28409
2018-04-01	29445
2018-05-01	32330
2018-06-01	28905
2018-07-01	34791
2018-08-01	31138