Monthly 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