Month	Number
1961-01-01	1391
1961-02-01	2574
1961-03-01	3300
1961-04-01	2523
1961-05-01	3131
1961-06-01	2721
1961-07-01	3547
1961-08-01	3717
1961-09-01	3566
1961-10-01	3921
1961-11-01	3885
1961-12-01	3387
1962-01-01	1973
1962-02-01	3074
1962-03-01	3605
1962-04-01	2955
1962-05-01	3734
1962-06-01	3370
1962-07-01	4102
1962-08-01	3741
1962-09-01	3602
1962-10-01	3780
1962-11-01	4443
1962-12-01	4301
1963-01-01	2126
1963-02-01	3514
1963-03-01	3692
1963-04-01	3645
1963-05-01	4233
1963-06-01	3075
1963-07-01	4857
1963-08-01	5486
1963-09-01	5369
1963-10-01	6793
1963-11-01	7051
1963-12-01	8506
1964-01-01	2055
1964-02-01	4421
1964-03-01	5421
1964-04-01	5597
1964-05-01	5303
1964-06-01	5286
1964-07-01	6515
1964-08-01	6242
1964-09-01	6352
1964-10-01	5734
1964-11-01	6365
1964-12-01	6451
1965-01-01	3009
1965-02-01	4681
1965-03-01	5891
1965-04-01	5404
1965-05-01	5509
1965-06-01	6033
1965-07-01	6643
1965-08-01	5563
1965-09-01	6143
1965-10-01	6026
1965-11-01	5974
1965-12-01	6313
1966-01-01	3170
1966-02-01	5105
1966-03-01	6647
1966-04-01	4805
1966-05-01	5494
1966-06-01	4955
1966-07-01	5346
1966-08-01	5810
1966-09-01	6073
1966-10-01	5282
1966-11-01	5684
1966-12-01	5297
1967-01-01	3087
1967-02-01	4959
1967-03-01	6090
1967-04-01	4815
1967-05-01	5267
1967-06-01	5710
1967-07-01	3774
1967-08-01	4798
1967-09-01	4853
1967-10-01	4498
1967-11-01	4590
1967-12-01	4043
1968-01-01	2866
1968-02-01	3984
1968-03-01	4310
1968-04-01	3233
1968-05-01	4256
1968-06-01	3582
1968-07-01	4636
1968-08-01	4432
1968-09-01	4459
1968-10-01	4635
1968-11-01	4468
1968-12-01	3947
1969-01-01	3293
1969-02-01	4267
1969-03-01	4609
1969-04-01	4230
1969-05-01	4697
1969-06-01	4151
1969-07-01	5532
1969-08-01	5062
1969-09-01	5216
1969-10-01	5585
1969-11-01	4850
1969-12-01	4946
1970-01-01	3372
1970-02-01	4455
1970-03-01	4923
1970-04-01	5804
1970-05-01	6016
1970-06-01	5686
1970-07-01	6617
1970-08-01	6517
1970-09-01	7105
1970-10-01	6932
1970-11-01	6344
1970-12-01	6655
1971-01-01	3891
1971-02-01	4663
1971-03-01	6276
1971-04-01	5800
1971-05-01	5731
1971-06-01	6021
1971-07-01	6820
1971-08-01	6475
1971-09-01	6403
1971-10-01	7263
1971-11-01	7691
1971-12-01	7612
1972-01-01	5275
1972-02-01	6961
1972-03-01	8017
1972-04-01	5845
1972-05-01	7507
1972-06-01	7139
1972-07-01	7834
1972-08-01	7746
1972-09-01	7947
1972-10-01	8647
1972-11-01	9398
1972-12-01	7986
1973-01-01	8023
1973-02-01	8731
1973-03-01	8779
1973-04-01	7374
1973-05-01	8739
1973-06-01	7792
1973-07-01	8818
1973-08-01	9096
1973-09-01	7444
1973-10-01	9430
1973-11-01	9734
1973-12-01	8676
1974-01-01	6964
1974-02-01	8398
1974-03-01	8352
1974-04-01	8428
1974-05-01	10377
1974-06-01	10205
1974-07-01	9540
1974-08-01	9481
1974-09-01	7103
1974-10-01	6741
1974-11-01	7145
1974-12-01	6479
1975-01-01	5773
1975-02-01	5714
1975-03-01	6018
1975-04-01	6503
1975-05-01	7021
1975-06-01	6689
1975-07-01	7250
1975-08-01	10914
1975-09-01	8119
1975-10-01	7536
1975-11-01	6586
1975-12-01	5489
1976-01-01	4823
1976-02-01	5064
1976-03-01	6493
1976-04-01	5521
1976-05-01	5643
1976-06-01	5610
1976-07-01	5907
1976-08-01	5528
1976-09-01	5525
1976-10-01	6185
1976-11-01	8046
1976-12-01	9182
1977-01-01	6601
1977-02-01	4322
1977-03-01	5116
1977-04-01	4323
1977-05-01	5289
1977-06-01	5703
1977-07-01	4418
1977-08-01	5587
1977-09-01	6120
1977-10-01	5128
1977-11-01	5369
1977-12-01	3848
1978-01-01	3884
1978-02-01	4415
1978-03-01	5217
1978-04-01	5489
1978-05-01	6063
1978-06-01	5844
1978-07-01	6010
1978-08-01	6863
1978-09-01	6070
1978-10-01	6057
1978-11-01	6748
1978-12-01	4488
1979-01-01	5587
1979-02-01	4868
1979-03-01	6037
1979-04-01	4824
1979-05-01	5999
1979-06-01	6282
1979-07-01	5544
1979-08-01	6659
1979-09-01	5842
1979-10-01	6961
1979-11-01	7210
1979-12-01	5028
1980-01-01	5985
1980-02-01	5726
1980-03-01	6347
1980-04-01	5639
1980-05-01	7177
1980-06-01	6364
1980-07-01	7836
1980-08-01	6655
1980-09-01	6866
1980-10-01	7427
1980-11-01	6732
1980-12-01	5617
1981-01-01	6365
1981-02-01	6701
1981-03-01	7659
1981-04-01	7965
1981-05-01	7498
1981-06-01	7977
1981-07-01	8655
1981-08-01	7541
1981-09-01	8275
1981-10-01	8351
1981-11-01	8067
1981-12-01	6319
1982-01-01	7467
1982-02-01	7168
1982-03-01	9544
1982-04-01	7697
1982-05-01	8271
1982-06-01	8574
1982-07-01	7342
1982-08-01	6500
1982-09-01	6057
1982-10-01	5936
1982-11-01	6113
1982-12-01	4810
1983-01-01	6150
1983-02-01	6121
1983-03-01	10132
1983-04-01	5630
1983-05-01	5498
1983-06-01	4908
1983-07-01	5175
1983-08-01	5874
1983-09-01	7103
1983-10-01	6349
1983-11-01	7463
1983-12-01	5448
1984-01-01	7178
1984-02-01	8206
1984-03-01	9133
1984-04-01	6340
1984-05-01	8160
1984-06-01	7288
1984-07-01	11258
1984-08-01	10451
1984-09-01	8630
1984-10-01	8460
1984-11-01	8257
1984-12-01	5076
1985-01-01	6313
1985-02-01	5668
1985-03-01	7028
1985-04-01	6535
1985-05-01	8514
1985-06-01	6838
1985-07-01	8834
1985-08-01	7974
1985-09-01	7300
1985-10-01	7196
1985-11-01	7282
1985-12-01	4952
1986-01-01	6946
1986-02-01	6400
1986-03-01	7238
1986-04-01	6356
1986-05-01	6366
1986-06-01	5534
1986-07-01	8063
1986-08-01	8115
1986-09-01	9148
1986-10-01	5705
1986-11-01	5761
1986-12-01	4389
1987-01-01	6454
1987-02-01	6053
1987-03-01	7734
1987-04-01	6931
1987-05-01	7241
1987-06-01	7941
1987-07-01	8374
1987-08-01	8928
1987-09-01	9524
1987-10-01	7606
1987-11-01	7452
1987-12-01	5390
1988-01-01	6735
1988-02-01	6275
1988-03-01	7376
1988-04-01	5482
1988-05-01	6328
1988-06-01	6958
1988-07-01	7180
1988-08-01	8057
1988-09-01	8376
1988-10-01	8857
1988-11-01	8915
1988-12-01	8050
1989-01-01	9450
1989-02-01	10195
1989-03-01	12504
1989-04-01	11656
1989-05-01	13634
1989-06-01	13966
1989-07-01	9874
1989-08-01	10448
1989-09-01	10933
1989-10-01	9727
1989-11-01	11633
1989-12-01	10808
1990-01-01	11630
1990-02-01	10709
1990-03-01	13462
1990-04-01	11580
1990-05-01	14001
1990-06-01	12660
1990-07-01	13807
1990-08-01	13762
1990-09-01	12236
1990-10-01	18500
1990-11-01	11788
1990-12-01	15611
1991-01-01	6921
1991-02-01	7033
1991-03-01	9714
1991-04-01	7910
1991-05-01	9618
1991-06-01	8517
1991-07-01	9706
1991-08-01	9731
1991-09-01	9275
1991-10-01	8881
1991-11-01	8064
1991-12-01	7596
1992-01-01	7966
1992-02-01	7823
1992-03-01	7615
1992-04-01	6595
1992-05-01	7603
1992-06-01	7724
1992-07-01	8333
1992-08-01	7123
1992-09-01	7892
1992-10-01	7911
1992-11-01	8346
1992-12-01	7179
1993-01-01	7309
1993-02-01	7781
1993-03-01	9067
1993-04-01	6995
1993-05-01	7484
1993-06-01	8040
1993-07-01	8297
1993-08-01	7751
1993-09-01	8712
1993-10-01	8679
1993-11-01	9286
1993-12-01	8262
1994-01-01	9625
1994-02-01	8727
1994-03-01	12528
1994-04-01	7539
1994-05-01	10515
1994-06-01	10328
1994-07-01	10049
1994-08-01	11271
1994-09-01	11274
1994-10-01	10958
1994-11-01	11244
1994-12-01	9795
1995-01-01	10970
1995-02-01	10756
1995-03-01	12737
1995-04-01	9592
1995-05-01	13289
1995-06-01	11927
1995-07-01	11771
1995-08-01	13181
1995-09-01	12428
1995-10-01	13292
1995-11-01	13361
1995-12-01	13352
1996-01-01	12807
1996-02-01	13654
1996-03-01	14885
1996-04-01	13456
1996-05-01	16796
1996-06-01	13579
1996-07-01	16379
1996-08-01	15665
1996-09-01	14790
1996-10-01	15929
1996-11-01	15904
1996-12-01	13406
1997-01-01	14474
1997-02-01	13482
1997-03-01	13741
1997-04-01	14257
1997-05-01	15006
1997-06-01	12170
1997-07-01	14267
1997-08-01	11654
1997-09-01	12236
1997-10-01	12046
1997-11-01	10874
1997-12-01	11392
1998-01-01	10914
1998-02-01	9675
1998-03-01	11502
1998-04-01	9702
1998-05-01	10685
1998-06-01	12507
1998-07-01	14279
1998-08-01	14148
1998-09-01	14988
1998-10-01	14910
1998-11-01	15041
1998-12-01	15743
1999-01-01	13939
1999-02-01	13870
1999-03-01	16587
1999-04-01	14597
1999-05-01	16451
1999-06-01	16072
1999-07-01	16487
1999-08-01	16196
1999-09-01	16830
1999-10-01	15841
1999-11-01	16548
1999-12-01	15895
2000-01-01	14197
2000-02-01	14947
2000-03-01	16936
2000-04-01	12836
2000-05-01	15986
2000-06-01	14889
2000-07-01	14176
2000-08-01	14882
2000-09-01	14367
2000-10-01	14373
2000-11-01	13437
2000-12-01	12716
2001-01-01	13428
2001-02-01	12807
2001-03-01	15288
2001-04-01	13585
2001-05-01	16419
2001-06-01	16204
2001-07-01	16569
2001-08-01	16965
2001-09-01	15112
2001-10-01	16863
2001-11-01	17199
2001-12-01	16416
2002-01-01	16249
2002-02-01	15802
2002-03-01	17933
2002-04-01	15777
2002-05-01	16641
2002-06-01	15851
2002-07-01	17524
2002-08-01	16541
2002-09-01	16852
2002-10-01	17714
2002-11-01	16731
2002-12-01	16889
2003-01-01	17725
2003-02-01	16579
2003-03-01	18667
2003-04-01	16630
2003-05-01	19754
2003-06-01	20046
2003-07-01	20942
2003-08-01	18618
2003-09-01	20531
2003-10-01	20813
2003-11-01	18052
2003-12-01	19068
2004-01-01	17829
2004-02-01	17971
2004-03-01	21383
2004-04-01	18154
2004-05-01	19456
2004-06-01	20318
2004-07-01	19342
2004-08-01	18657
2004-09-01	19659
2004-10-01	18833
2004-11-01	18874
2004-12-01	18321
2005-01-01	16428
2005-02-01	18875
2005-03-01	19813
2005-04-01	18430
2005-05-01	19377
2005-06-01	20604
2005-07-01	19700
2005-08-01	20933
2005-09-01	19816
2005-10-01	19160
2005-11-01	19038
2005-12-01	18139
2006-01-01	17604
2006-02-01	17052
2006-03-01	19325
2006-04-01	14914
2006-05-01	17805
2006-06-01	16657
2006-07-01	16307
2006-08-01	16333
2006-09-01	16370
2006-10-01	16794
2006-11-01	16117
2006-12-01	14916
2007-01-01	16591
2007-02-01	14921
2007-03-01	17202
2007-04-01	14195
2007-05-01	17365
2007-06-01	16406
2007-07-01	17451
2007-08-01	18119
2007-09-01	16388
2007-10-01	17583
2007-11-01	16491
2007-12-01	15124
2008-01-01	16877
2008-02-01	15201
2008-03-01	14932
2008-04-01	14043
2008-05-01	13783
2008-06-01	13802
2008-07-01	12718
2008-08-01	12594
2008-09-01	13829
2008-10-01	14091
2008-11-01	10821
2008-12-01	11547
2009-01-01	10721
2009-02-01	8421
2009-03-01	10015
2009-04-01	8284
2009-05-01	9190
2009-06-01	9712
2009-07-01	10633
2009-08-01	10291
2009-09-01	11512
2009-10-01	11724
2009-11-01	11081
2009-12-01	11577
2010-01-01	12429
2010-02-01	11063
2010-03-01	13192
2010-04-01	11638
2010-05-01	11997
2010-06-01	13188
2010-07-01	12339
2010-08-01	12250
2010-09-01	13728
2010-10-01	12824
2010-11-01	13680
2010-12-01	12314
2011-01-01	13278
2011-02-01	11371
2011-03-01	13062
2011-04-01	10414
2011-05-01	11548
2011-06-01	11935
2011-07-01	11597
2011-08-01	12485
2011-09-01	12050
2011-10-01	11695
2011-11-01	12606
2011-12-01	12830
2012-01-01	13874
2012-02-01	11633
2012-03-01	12928
2012-04-01	11307
2012-05-01	12735
2012-06-01	13326
2012-07-01	12849
2012-08-01	12580
2012-09-01	12859
2012-10-01	14203
2012-11-01	13667
2012-12-01	13221
2013-01-01	14782
2013-02-01	12721
2013-03-01	14381
2013-04-01	13325
2013-05-01	14807
2013-06-01	15403
2013-07-01	16397
2013-08-01	15476
2013-09-01	14887
2013-10-01	16507
2013-11-01	16813
2013-12-01	15905
2014-01-01	17763
2014-02-01	15727
2014-03-01	18239
2014-04-01	15651
2014-05-01	18025
2014-06-01	19277
2014-07-01	19123
2014-08-01	18373
2014-09-01	19524
2014-10-01	20015
2014-11-01	19595
2014-12-01	19245
2015-01-01	20801
2015-02-01	17629
2015-03-01	20388
2015-04-01	17411
2015-05-01	19258
2015-06-01	21436
2015-07-01	21163
2015-08-01	19813
2015-09-01	20502
2015-10-01	20783
2015-11-01	19847
2015-12-01	19708
2016-01-01	20574
2016-02-01	18927
2016-03-01	20344
2016-04-01	18930
2016-05-01	20069
2016-06-01	21177
2016-07-01	20756
2016-08-01	21887
2016-09-01	22267
2016-10-01	23504
2016-11-01	22484
2016-12-01	21250
2017-01-01	23083
2017-02-01	20310
2017-03-01	23704
2017-04-01	19503
2017-05-01	22825
2017-06-01	23520
2017-07-01	22035
2017-08-01	23089
2017-09-01	23500
2017-10-01	25227
2017-11-01	25213
2017-12-01	22253
2018-01-01	24517
2018-02-01	19463
2018-03-01	20891
2018-04-01	17741
2018-05-01	22695
2018-06-01	22376
2018-07-01	21887
2018-08-01	22007
2018-09-01	20964