Month	Number
1960-01-01	4559
1960-02-01	6017
1960-03-01	9192
1960-04-01	10916
1960-05-01	9643
1960-06-01	7726
1960-07-01	7670
1960-08-01	8102
1960-09-01	6235
1960-10-01	7086
1960-11-01	6361
1960-12-01	6822
1961-01-01	6465
1961-02-01	8803
1961-03-01	14581
1961-04-01	10905
1961-05-01	11061
1961-06-01	10880
1961-07-01	9115
1961-08-01	7155
1961-09-01	7297
1961-10-01	7659
1961-11-01	7185
1961-12-01	5911
1962-01-01	7227
1962-02-01	9988
1962-03-01	14896
1962-04-01	14091
1962-05-01	14355
1962-06-01	12133
1962-07-01	10682
1962-08-01	8859
1962-09-01	8384
1962-10-01	9217
1962-11-01	7736
1962-12-01	6090
1963-01-01	6790
1963-02-01	8389
1963-03-01	14706
1963-04-01	15547
1963-05-01	16152
1963-06-01	12141
1963-07-01	12242
1963-08-01	8731
1963-09-01	8562
1963-10-01	9881
1963-11-01	8124
1963-12-01	6526
1964-01-01	7644
1964-02-01	11114
1964-03-01	15439
1964-04-01	17689
1964-05-01	13780
1964-06-01	13278
1964-07-01	12212
1964-08-01	7937
1964-09-01	9151
1964-10-01	9634
1964-11-01	7679
1964-12-01	8078
1965-01-01	6691
1965-02-01	9962
1965-03-01	16644
1965-04-01	18370
1965-05-01	14424
1965-06-01	13966
1965-07-01	12272
1965-08-01	8794
1965-09-01	10016
1965-10-01	10657
1965-11-01	9225
1965-12-01	8299
1966-01-01	6949
1966-02-01	11673
1966-03-01	19074
1966-04-01	16951
1966-05-01	15876
1966-06-01	14539
1966-07-01	11653
1966-08-01	8845
1966-09-01	10454
1966-10-01	11902
1966-11-01	9912
1966-12-01	8934
1967-01-01	8047
1967-02-01	11923
1967-03-01	19383
1967-04-01	18440
1967-05-01	17203
1967-06-01	15596
1967-07-01	11200
1967-08-01	9527
1967-09-01	10245
1967-10-01	11787
1967-11-01	10739
1967-12-01	9115
1968-01-01	8090
1968-02-01	12675
1968-03-01	19436
1968-04-01	21498
1968-05-01	21116
1968-06-01	14826
1968-07-01	15344
1968-08-01	10520
1968-09-01	10252
1968-10-01	13553
1968-11-01	11546
1968-12-01	8891
1969-01-01	16806
1969-02-01	17215
1969-03-01	19224
1969-04-01	18409
1969-05-01	16224
1969-06-01	15286
1969-07-01	16420
1969-08-01	11087
1969-09-01	17103
1969-10-01	19823
1969-11-01	17866
1969-12-01	13615
1970-01-01	16030
1970-02-01	15880
1970-03-01	21838
1970-04-01	24729
1970-05-01	17696
1970-06-01	19653
1970-07-01	19145
1970-08-01	10373
1970-09-01	18368
1970-10-01	22274
1970-11-01	20179
1970-12-01	20029
1971-01-01	12030
1971-02-01	16353
1971-03-01	28419
1971-04-01	29346
1971-05-01	23820
1971-06-01	23669
1971-07-01	20139
1971-08-01	15404
1971-09-01	16458
1971-10-01	18471
1971-11-01	16739
1971-12-01	14620
1972-01-01	14590
1972-02-01	20942
1972-03-01	33920
1972-04-01	28279
1972-05-01	27349
1972-06-01	28551
1972-07-01	20070
1972-08-01	16719
1972-09-01	16541
1972-10-01	18640
1972-11-01	17254
1972-12-01	16057
1973-01-01	17035
1973-02-01	18517
1973-03-01	30531
1973-04-01	28662
1973-05-01	28427
1973-06-01	22457
1973-07-01	19304
1973-08-01	14684
1973-09-01	14815
1973-10-01	17796
1973-11-01	13716
1973-12-01	12734
1974-01-01	11789
1974-02-01	10400
1974-03-01	23617
1974-04-01	28366
1974-05-01	26258
1974-06-01	19935
1974-07-01	17821
1974-08-01	13005
1974-09-01	13783
1974-10-01	15229
1974-11-01	11417
1974-12-01	10607
1975-01-01	10717
1975-02-01	14249
1975-03-01	18536
1975-04-01	19710
1975-05-01	15303
1975-06-01	22072
1975-07-01	17511
1975-08-01	17465
1975-09-01	15672
1975-10-01	13090
1975-11-01	11947
1975-12-01	13673
1976-01-01	10927
1976-02-01	14644
1976-03-01	18693
1976-04-01	25268
1976-05-01	20136
1976-06-01	20218
1976-07-01	18624
1976-08-01	13888
1976-09-01	14519
1976-10-01	15907
1976-11-01	15907
1976-12-01	15104
1977-01-01	11436
1977-02-01	14293
1977-03-01	23616
1977-04-01	31139
1977-05-01	27878
1977-06-01	20031
1977-07-01	21530
1977-08-01	19448
1977-09-01	14673
1977-10-01	18113
1977-11-01	18972
1977-12-01	13072
1978-01-01	15205
1978-02-01	15756
1978-03-01	30205
1978-04-01	28178
1978-05-01	23223
1978-06-01	30370
1978-07-01	23731
1978-08-01	23700
1978-09-01	19968
1978-10-01	25051
1978-11-01	23979
1978-12-01	16620
1979-01-01	18208
1979-02-01	20139
1979-03-01	34778
1979-04-01	33264
1979-05-01	32399
1979-06-01	26820
1979-07-01	20915
1979-08-01	19464
1979-09-01	18310
1979-10-01	21322
1979-11-01	20428
1979-12-01	14055
1980-01-01	19300
1980-02-01	21282
1980-03-01	32130
1980-04-01	30534
1980-05-01	27670
1980-06-01	28839
1980-07-01	23750
1980-08-01	19222
1980-09-01	19690
1980-10-01	23553
1980-11-01	18138
1980-12-01	16344
1981-01-01	18103
1981-02-01	21477
1981-03-01	30149
1981-04-01	28015
1981-05-01	29295
1981-06-01	42859
1981-07-01	25422
1981-08-01	17907
1981-09-01	20782
1981-10-01	22696
1981-11-01	18528
1981-12-01	15833
1982-01-01	19622
1982-02-01	20463
1982-03-01	33342
1982-04-01	37138
1982-05-01	28492
1982-06-01	29946
1982-07-01	25349
1982-08-01	18854
1982-09-01	23637
1982-10-01	20231
1982-11-01	17757
1982-12-01	16059
1983-01-01	20250
1983-02-01	19180
1983-03-01	46778
1983-04-01	19687
1983-05-01	27088
1983-06-01	30817
1983-07-01	19823
1983-08-01	17297
1983-09-01	19029
1983-10-01	19460
1983-11-01	19832
1983-12-01	14645
1984-01-01	19022
1984-02-01	19065
1984-03-01	31432
1984-04-01	30321
1984-05-01	32679
1984-06-01	22122
1984-07-01	21375
1984-08-01	18173
1984-09-01	18410
1984-10-01	21083
1984-11-01	18805
1984-12-01	15002
1985-01-01	18566
1985-02-01	17271
1985-03-01	26912
1985-04-01	30996
1985-05-01	29971
1985-06-01	25670
1985-07-01	22573
1985-08-01	17585
1985-09-01	18646
1985-10-01	22261
1985-11-01	19735
1985-12-01	15283
1986-01-01	22898
1986-02-01	18421
1986-03-01	29076
1986-04-01	37043
1986-05-01	32645
1986-06-01	30336
1986-07-01	26990
1986-08-01	20095
1986-09-01	22728
1986-10-01	22697
1986-11-01	19725
1986-12-01	17518
1987-01-01	21769
1987-02-01	18421
1987-03-01	33553
1987-04-01	34396
1987-05-01	29139
1987-06-01	30558
1987-07-01	27062
1987-08-01	17821
1987-09-01	22877
1987-10-01	25452
1987-11-01	22712
1987-12-01	17628
1988-01-01	22997
1988-02-01	20960
1988-03-01	35092
1988-04-01	33145
1988-05-01	32595
1988-06-01	37159
1988-07-01	26923
1988-08-01	20564
1988-09-01	21681
1988-10-01	21952
1988-11-01	21635
1988-12-01	24688
1989-01-01	21607
1989-02-01	22168
1989-03-01	40968
1989-04-01	32118
1989-05-01	36149
1989-06-01	32715
1989-07-01	21471
1989-08-01	20121
1989-09-01	20008
1989-10-01	27360
1989-11-01	21768
1989-12-01	19381
1990-01-01	27544
1990-02-01	29300
1990-03-01	38137
1990-04-01	33055
1990-05-01	28798
1990-06-01	36120
1990-07-01	21053
1990-08-01	20373
1990-09-01	24576
1990-10-01	25387
1990-11-01	18559
1990-12-01	20925
1991-01-01	24366
1991-02-01	23401
1991-03-01	31487
1991-04-01	33573
1991-05-01	34030
1991-06-01	34204
1991-07-01	19618
1991-08-01	23438
1991-09-01	22634
1991-10-01	22705
1991-11-01	21664
1991-12-01	19073
1992-01-01	22950
1992-02-01	26637
1992-03-01	29891
1992-04-01	35317
1992-05-01	27752
1992-06-01	28850
1992-07-01	21158
1992-08-01	17152
1992-09-01	18805
1992-10-01	23986
1992-11-01	18567
1992-12-01	15224
1993-01-01	20691
1993-02-01	20243
1993-03-01	28052
1993-04-01	29035
1993-05-01	26202
1993-06-01	26488
1993-07-01	20256
1993-08-01	15742
1993-09-01	19069
1993-10-01	20866
1993-11-01	16591
1993-12-01	13682
1994-01-01	20758
1994-02-01	19459
1994-03-01	25113
1994-04-01	29459
1994-05-01	30460
1994-06-01	30049
1994-07-01	18649
1994-08-01	17338
1994-09-01	19605
1994-10-01	21141
1994-11-01	18454
1994-12-01	15224
1995-01-01	23030
1995-02-01	19848
1995-03-01	25008
1995-04-01	29180
1995-05-01	30179
1995-06-01	28086
1995-07-01	20213
1995-08-01	16769
1995-09-01	18292
1995-10-01	24086
1995-11-01	18712
1995-12-01	12142
1996-01-01	26469
1996-02-01	20143
1996-03-01	23898
1996-04-01	32365
1996-05-01	29176
1996-06-01	29892
1996-07-01	20719
1996-08-01	15355
1996-09-01	19703
1996-10-01	19388
1996-11-01	18326
1996-12-01	16045
1997-01-01	22096
1997-02-01	18557
1997-03-01	27429
1997-04-01	29783
1997-05-01	26537
1997-06-01	30062
1997-07-01	19868
1997-08-01	19774
1997-09-01	20234
1997-10-01	20263
1997-11-01	22485
1997-12-01	13539
1998-01-01	20773
1998-02-01	21974
1998-03-01	25126
1998-04-01	30608
1998-05-01	29331
1998-06-01	28908
1998-07-01	24959
1998-08-01	20658
1998-09-01	20757
1998-10-01	25432
1998-11-01	26464
1998-12-01	20072
1999-01-01	23531
1999-02-01	20074
1999-03-01	35808
1999-04-01	29634
1999-05-01	28194
1999-06-01	34164
1999-07-01	27671
1999-08-01	21776
1999-09-01	24076
1999-10-01	24780
1999-11-01	24432
1999-12-01	20550
2000-01-01	21242
2000-02-01	23661
2000-03-01	33352
2000-04-01	31230
2000-05-01	33469
2000-06-01	28731
2000-07-01	26518
2000-08-01	23952
2000-09-01	24056
2000-10-01	25018
2000-11-01	19811
2000-12-01	23442
2001-01-01	23671
2001-02-01	23051
2001-03-01	31210
2001-04-01	30753
2001-05-01	33176
2001-06-01	30491
2001-07-01	27112
2001-08-01	23427
2001-09-01	21727
2001-10-01	24567
2001-11-01	25553
2001-12-01	19842
2002-01-01	21850
2002-02-01	21609
2002-03-01	27870
2002-04-01	29709
2002-05-01	29488
2002-06-01	29244
2002-07-01	26529
2002-08-01	19697
2002-09-01	21597
2002-10-01	23622
2002-11-01	21289
2002-12-01	20530
2003-01-01	19530
2003-02-01	18160
2003-03-01	23419
2003-04-01	26451
2003-05-01	27086
2003-06-01	28119
2003-07-01	25179
2003-08-01	18421
2003-09-01	20427
2003-10-01	22596
2003-11-01	20754
2003-12-01	19569
2004-01-01	18271
2004-02-01	18372
2004-03-01	25824
2004-04-01	26833
2004-05-01	26450
2004-06-01	27946
2004-07-01	22938
2004-08-01	18995
2004-09-01	19579
2004-10-01	20941
2004-11-01	21075
2004-12-01	20252
2005-01-01	17562
2005-02-01	16557
2005-03-01	24348
2005-04-01	27792
2005-05-01	24590
2005-06-01	26737
2005-07-01	21673
2005-08-01	18148
2005-09-01	20993
2005-10-01	20553
2005-11-01	20598
2005-12-01	21131
2006-01-01	18835
2006-02-01	17590
2006-03-01	27057
2006-04-01	24362
2006-05-01	27575
2006-06-01	29785
2006-07-01	21726
2006-08-01	17610
2006-09-01	19604
2006-10-01	21089
2006-11-01	21973
2006-12-01	22542
2007-01-01	18313
2007-02-01	18792
2007-03-01	26108
2007-04-01	24729
2007-05-01	26911
2007-06-01	31063
2007-07-01	24769
2007-08-01	21122
2007-09-01	20690
2007-10-01	24222
2007-11-01	24681
2007-12-01	22572
2008-01-01	21664
2008-02-01	21824
2008-03-01	23672
2008-04-01	29078
2008-05-01	26929
2008-06-01	29562
2008-07-01	26077
2008-08-01	19089
2008-09-01	21695
2008-10-01	24264
2008-11-01	20261
2008-12-01	23856
2009-01-01	17941
2009-02-01	17718
2009-03-01	23769
2009-04-01	24997
2009-05-01	23042
2009-06-01	26826
2009-07-01	24006
2009-08-01	17940
2009-09-01	21103
2009-10-01	22894
2009-11-01	22033
2009-12-01	24209
2010-01-01	19281
2010-02-01	18899
2010-03-01	28810
2010-04-01	26055
2010-05-01	25112
2010-06-01	31960
2010-07-01	25659
2010-08-01	20124
2010-09-01	22349
2010-10-01	24736
2010-11-01	25142
2010-12-01	28470
2011-01-01	21437
2011-02-01	23286
2011-03-01	31382
2011-04-01	28496
2011-05-01	30324
2011-06-01	28862
2011-07-01	26280
2011-08-01	22643
2011-09-01	27464
2011-10-01	27729
2011-11-01	29462
2011-12-01	30590
2012-01-01	24922
2012-02-01	24461
2012-03-01	33964
2012-04-01	29373
2012-05-01	30111
2012-06-01	40947
2012-07-01	24487
2012-08-01	22205
2012-09-01	21317
2012-10-01	26631
2012-11-01	26869
2012-12-01	28758
2013-01-01	21872
2013-02-01	22713
2013-03-01	29220
2013-04-01	28476
2013-05-01	27468
2013-06-01	29140
2013-07-01	26281
2013-08-01	21080
2013-09-01	22706
2013-10-01	26537
2013-11-01	24944
2013-12-01	29717
2014-01-01	20786
2014-02-01	22233
2014-03-01	26567
2014-04-01	27716
2014-05-01	25939
2014-06-01	27873
2014-07-01	27463
2014-08-01	19788
2014-09-01	21647
2014-10-01	26157
2014-11-01	23506
2014-12-01	32382
2015-01-01	19129
2015-02-01	23088
2015-03-01	32266
2015-04-01	29339
2015-05-01	27925
2015-06-01	33492
2015-07-01	30175
2015-08-01	23685
2015-09-01	24273
2015-10-01	25447
2015-11-01	26191
2015-12-01	32133
2016-01-01	20961
2016-02-01	23192
2016-03-01	29562
2016-04-01	29029
2016-05-01	26177
2016-06-01	31464
2016-07-01	26189
2016-08-01	21945
2016-09-01	26180
2016-10-01	23354
2016-11-01	26270
2016-12-01	35008
2017-01-01	19866
2017-02-01	22996
2017-03-01	30755
2017-04-01	25891
2017-05-01	28280
2017-06-01	32042
2017-07-01	24709
2017-08-01	23020
2017-09-01	24479
2017-10-01	24614
2017-11-01	26587
2017-12-01	30796
2018-01-01	22051
2018-02-01	22386
2018-03-01	28340
2018-04-01	26407
2018-05-01	27759
2018-06-01	31414
2018-07-01	25239
2018-08-01	21401
2018-09-01	20366