Month	Number
1982-01-01	1923
1982-02-01	2105
1982-03-01	3421
1982-04-01	4186
1982-05-01	4431
1982-06-01	4730
1982-07-01	3500
1982-08-01	5043
1982-09-01	4060
1982-10-01	4516
1982-11-01	3675
1982-12-01	5312
1983-01-01	1996
1983-02-01	2342
1983-03-01	3067
1983-04-01	4009
1983-05-01	4739
1983-06-01	5727
1983-07-01	4124
1983-08-01	5058
1983-09-01	5074
1983-10-01	4712
1983-11-01	3890
1983-12-01	4489
1984-01-01	2895
1984-02-01	2507
1984-03-01	3084
1984-04-01	4249
1984-05-01	5879
1984-06-01	4601
1984-07-01	3785
1984-08-01	5236
1984-09-01	4528
1984-10-01	5352
1984-11-01	5169
1984-12-01	5506
1985-01-01	2922
1985-02-01	2989
1985-03-01	4401
1985-04-01	5464
1985-05-01	6911
1985-06-01	4218
1985-07-01	6682
1985-08-01	6070
1985-09-01	5791
1985-10-01	5824
1985-11-01	5610
1985-12-01	4911
1986-01-01	3054
1986-02-01	3882
1986-03-01	9389
1986-04-01	7043
1986-05-01	7042
1986-06-01	6224
1986-07-01	11439
1986-08-01	8213
1986-09-01	8915
1986-10-01	11323
1986-11-01	7332
1986-12-01	8126
1987-01-01	4157
1987-02-01	6141
1987-03-01	12417
1987-04-01	10215
1987-05-01	7982
1987-06-01	10822
1987-07-01	12112
1987-08-01	11438
1987-09-01	11069
1987-10-01	14612
1987-11-01	10885
1987-12-01	13815
1988-01-01	7018
1988-02-01	7489
1988-03-01	9341
1988-04-01	13723
1988-05-01	8780
1988-06-01	10853
1988-07-01	10908
1988-08-01	13789
1988-09-01	10581
1988-10-01	12142
1988-11-01	10981
1988-12-01	12798
1989-01-01	10661
1989-02-01	7482
1989-03-01	16116
1989-04-01	9260
1989-05-01	10375
1989-06-01	10824
1989-07-01	7478
1989-08-01	8703
1989-09-01	14117
1989-10-01	11234
1989-11-01	8312
1989-12-01	8670
1990-01-01	7869
1990-02-01	6876
1990-03-01	9884
1990-04-01	7897
1990-05-01	10091
1990-06-01	11189
1990-07-01	7048
1990-08-01	10521
1990-09-01	9575
1990-10-01	9740
1990-11-01	8227
1990-12-01	10481
1991-01-01	6614
1991-02-01	4956
1991-03-01	7592
1991-04-01	9658
1991-05-01	10303
1991-06-01	9611
1991-07-01	10092
1991-08-01	9623
1991-09-01	10448
1991-10-01	11920
1991-11-01	7137
1991-12-01	10820
1992-01-01	7051
1992-02-01	6182
1992-03-01	8195
1992-04-01	10131
1992-05-01	10200
1992-06-01	12359
1992-07-01	12894
1992-08-01	11113
1992-09-01	10873
1992-10-01	13447
1992-11-01	9558
1992-12-01	15380
1993-01-01	8171
1993-02-01	5544
1993-03-01	5837
1993-04-01	10886
1993-05-01	11843
1993-06-01	9933
1993-07-01	10554
1993-08-01	13044
1993-09-01	12757
1993-10-01	12267
1993-11-01	10737
1993-12-01	19363
1994-01-01	7641
1994-02-01	7685
1994-03-01	5184
1994-04-01	11781
1994-05-01	8575
1994-06-01	8390
1994-07-01	9851
1994-08-01	11223
1994-09-01	10454
1994-10-01	10216
1994-11-01	9529
1994-12-01	17114
1995-01-01	7187
1995-02-01	6971
1995-03-01	8396
1995-04-01	9918
1995-05-01	8463
1995-06-01	9940
1995-07-01	11299
1995-08-01	9623
1995-09-01	9640
1995-10-01	11965
1995-11-01	10126
1995-12-01	17139
1996-01-01	5928
1996-02-01	5419
1996-03-01	7984
1996-04-01	8982
1996-05-01	9756
1996-06-01	7993
1996-07-01	8823
1996-08-01	7417
1996-09-01	7256
1996-10-01	8320
1996-11-01	9556
1996-12-01	15829
1997-01-01	6366
1997-02-01	5285
1997-03-01	7662
1997-04-01	5607
1997-05-01	8700
1997-06-01	13021
1997-07-01	9549
1997-08-01	8179
1997-09-01	7673
1997-10-01	8450
1997-11-01	8465
1997-12-01	21350
1998-01-01	4043
1998-02-01	4833
1998-03-01	7137
1998-04-01	5469
1998-05-01	8862
1998-06-01	9322
1998-07-01	16944
1998-08-01	7747
1998-09-01	8193
1998-10-01	7431
1998-11-01	7269
1998-12-01	15728
1999-01-01	3198
1999-02-01	5355
1999-03-01	3269
1999-04-01	11982
1999-05-01	6427
1999-06-01	7435
1999-07-01	7238
1999-08-01	6260
1999-09-01	4964
1999-10-01	3618
1999-11-01	3265
1999-12-01	7182
2000-01-01	1908
2000-02-01	2844
2000-03-01	2670
2000-04-01	7294
2000-05-01	4952
2000-06-01	6020
2000-07-01	8292
2000-08-01	6703
2000-09-01	12803
2000-10-01	4270
2000-11-01	4070
2000-12-01	8465
2001-01-01	4207
2001-02-01	2800
2001-03-01	2608
2001-04-01	3698
2001-05-01	4430
2001-06-01	6081
2001-07-01	8486
2001-08-01	22950
2001-09-01	2344
2001-10-01	2259
2001-11-01	2145
2001-12-01	6506
2002-01-01	1250
2002-02-01	1401
2002-03-01	2485
2002-04-01	2729
2002-05-01	3773
2002-06-01	3517
2002-07-01	3334
2002-08-01	2748
2002-09-01	2766
2002-10-01	3486
2002-11-01	2772
2002-12-01	6712
2003-01-01	2108
2003-02-01	1312
2003-03-01	2232
2003-04-01	3270
2003-05-01	3445
2003-06-01	3595
2003-07-01	4313
2003-08-01	3655
2003-09-01	3576
2003-10-01	3461
2003-11-01	2453
2003-12-01	8864
2004-01-01	2423
2004-02-01	2445
2004-03-01	7530
2004-04-01	4546
2004-05-01	4502
2004-06-01	4934
2004-07-01	4942
2004-08-01	4667
2004-09-01	6432
2004-10-01	5440
2004-11-01	5667
2004-12-01	11758
2005-01-01	3043
2005-02-01	4559
2005-03-01	7718
2005-04-01	8040
2005-05-01	8383
2005-06-01	8517
2005-07-01	7576
2005-08-01	8493
2005-09-01	9208
2005-10-01	8169
2005-11-01	9812
2005-12-01	15702
2006-01-01	3990
2006-02-01	5908
2006-03-01	9065
2006-04-01	9422
2006-05-01	10804
2006-06-01	10184
2006-07-01	8316
2006-08-01	8113
2006-09-01	7794
2006-10-01	6714
2006-11-01	7174
2006-12-01	11967
2007-01-01	4814
2007-02-01	5976
2007-03-01	8466
2007-04-01	8147
2007-05-01	9545
2007-06-01	10105
2007-07-01	6877
2007-08-01	6525
2007-09-01	7597
2007-10-01	6487
2007-11-01	7710
2007-12-01	9361
2008-01-01	6768
2008-02-01	5232
2008-03-01	6443
2008-04-01	7929
2008-05-01	7951
2008-06-01	7628
2008-07-01	7027
2008-08-01	5960
2008-09-01	6457
2008-10-01	5983
2008-11-01	6220
2008-12-01	7405
2009-01-01	5785
2009-02-01	6031
2009-03-01	10335
2009-04-01	5613
2009-05-01	5938
2009-06-01	6908
2009-07-01	6492
2009-08-01	5726
2009-09-01	5161
2009-10-01	5931
2009-11-01	5697
2009-12-01	9404
2010-01-01	5158
2010-02-01	5940
2010-03-01	7886
2010-04-01	8363
2010-05-01	7552
2010-06-01	8564
2010-07-01	7854
2010-08-01	6900
2010-09-01	6665
2010-10-01	7876
2010-11-01	7881
2010-12-01	39137
2011-01-01	4610
2011-02-01	4271
2011-03-01	5670
2011-04-01	6732
2011-05-01	7582
2011-06-01	8210
2011-07-01	7509
2011-08-01	7251
2011-09-01	5937
2011-10-01	8027
2011-11-01	7140
2011-12-01	14307
2012-01-01	4872
2012-02-01	5479
2012-03-01	6684
2012-04-01	7658
2012-05-01	9850
2012-06-01	8064
2012-07-01	7841
2012-08-01	6596
2012-09-01	6824
2012-10-01	8344
2012-11-01	8302
2012-12-01	10615
2013-01-01	6266
2013-02-01	6280
2013-03-01	7873
2013-04-01	9285
2013-05-01	10902
2013-06-01	8682
2013-07-01	9060
2013-08-01	6683
2013-09-01	8850
2013-10-01	7071
2013-11-01	9306
2013-12-01	11993
2014-01-01	8799
2014-02-01	9327
2014-03-01	18957
2014-04-01	8487
2014-05-01	11746
2014-06-01	9429
2014-07-01	7439
2014-08-01	8929
2014-09-01	9637
2014-10-01	6099
2014-11-01	7816
2014-12-01	10586
2015-01-01	6700
2015-02-01	6518
2015-03-01	8576
2015-04-01	9288
2015-05-01	9465
2015-06-01	10302
2015-07-01	8787
2015-08-01	9462
2015-09-01	7452
2015-10-01	7492
2015-11-01	8857
2015-12-01	13805
2016-01-01	8304
2016-02-01	9227
2016-03-01	10221
2016-04-01	10213
2016-05-01	9515
2016-06-01	9770
2016-07-01	6209
2016-08-01	9048
2016-09-01	7573
2016-10-01	9179
2016-11-01	10183
2016-12-01	13553
2017-01-01	7421
2017-02-01	7543
2017-03-01	10391
2017-04-01	10361
2017-05-01	11020
2017-06-01	20074
2017-07-01	10558
2017-08-01	10066
2017-09-01	26840
2017-10-01	8139
2017-11-01	5925
2017-12-01	8776
2018-01-01	5505
2018-02-01	5464
2018-03-01	6850