year	month	y
1979	1	15.171993
1979	2	15.828204
1979	3	16.053921
1979	4	15.251489
1979	5	13.848874
1979	6	12.592851
1979	7	10.327741
1979	8	8.06391
1979	9	7.141421
1979	10	8.80776
1979	11	10.989861
1979	12	13.317705
1980	1	14.707949
1980	2	15.686754
1980	3	15.782866
1980	4	15.2422
1980	5	13.789347
1980	6	12.268071
1980	7	10.112987
1980	8	8.006614
1980	9	7.745373
1980	10	9.244679
1980	11	11.434136
1980	12	13.566266
1981	1	14.764132
1981	2	15.387724
1981	3	15.390235
1981	4	14.873386
1981	5	13.797641
1981	6	12.481356
1981	7	10.285291
1981	8	7.86364
1981	9	7.227935
1981	10	8.925282
1981	11	10.991871
1981	12	13.302517
1982	1	14.933674
1982	2	15.70769
1982	3	15.845909
1982	4	15.318256
1982	5	13.969839
1982	6	12.525076
1982	7	10.380668
1982	8	8.158369
1982	9	7.379179
1982	10	9.491683
1982	11	11.702034
1982	12	13.625124
1983	1	14.857324
1983	2	15.841131
1983	3	15.890732
1983	4	15.058238
1983	5	13.492743
1983	6	12.34347
1983	7	10.583702
1983	8	8.205411
1983	9	7.477585
1983	10	9.409364
1983	11	11.526247
1983	12	13.245608
1984	1	14.333207
1984	2	15.083218
1984	3	15.350731
1984	4	14.87301
1984	5	13.579445
1984	6	12.206205
1984	7	9.992829
1984	8	7.787432
1984	9	6.960981
1984	10	8.626686
1984	11	10.906708
1984	12	12.969349
1985	1	14.50019
1985	2	15.093925
1985	3	15.565866
1985	4	15.14586
1985	5	14.037755
1985	6	12.271375
1985	7	9.755198
1985	8	7.418417
1985	9	6.782011
1985	10	8.623398
1985	11	11.110792
1985	12	12.985776
1986	1	14.670253
1986	2	15.459994
1986	3	15.639971
1986	4	14.902588
1986	5	13.38181
1986	6	12.032259
1986	7	10.159043
1986	8	7.99588
1986	9	7.490025
1986	10	9.565654
1986	11	11.524211
1986	12	13.170899
1987	1	14.688407
1987	2	15.726575
1987	3	15.41081
1987	4	14.985161
1987	5	13.729134
1987	6	12.53211
1987	7	10.34508
1987	8	7.511235
1987	9	7.334495
1987	10	9.104885
1987	11	11.288378
1987	12	13.213427
1988	1	14.736339
1988	2	15.400014
1988	3	15.75063
1988	4	14.999929
1988	5	13.578745
1988	6	11.982546
1988	7	9.815972
1988	8	7.903282
1988	9	7.427166
1988	10	9.177453
1988	11	11.402785
1988	12	13.572221
1989	1	14.828969
1989	2	15.371826
1989	3	15.312641
1989	4	14.246129
1989	5	13.069525
1989	6	12.289065
1989	7	10.136943
1989	8	7.886926
1989	9	7.066722
1989	10	8.882288
1989	11	11.196596
1989	12	13.356666
1990	1	14.635856
1990	2	15.421358
1990	3	15.74905
1990	4	14.574774
1990	5	13.257112
1990	6	11.685496
1990	7	9.2545
1990	8	6.809828
1990	9	6.201485
1990	10	8.546043
1990	11	11.156786
1990	12	13.095631
1991	1	14.265739
1991	2	15.079476
1991	3	15.272619
1991	4	14.776857
1991	5	13.496023
1991	6	12.157406
1991	7	9.522286
1991	8	7.424347
1991	9	6.534285
1991	10	8.598097
1991	11	10.952112
1991	12	12.927396
1992	1	14.553699
1992	2	15.357879
1992	3	15.374343
1992	4	14.597985
1992	5	13.241816
1992	6	12.191531
1992	7	10.328846
1992	8	7.933412
1992	9	7.525932
1992	10	9.367128
1992	11	11.429404
1992	12	13.395575
1993	1	14.794654
1993	2	15.561103
1993	3	15.667138
1993	4	14.977794
1993	5	13.391327
1993	6	11.914814
1993	7	9.484015
1993	8	7.34453
1993	9	6.445195
1993	10	8.840545
1993	11	11.387584
1993	12	13.272829
1994	1	14.591328
1994	2	15.309448
1994	3	15.314947
1994	4	14.737808
1994	5	13.652982
1994	6	12.059201
1994	7	9.932771
1994	8	7.647594
1994	9	7.187346
1994	10	8.965852
1994	11	11.201207
1994	12	13.255706
1995	1	14.469579
1995	2	15.059677
1995	3	15.129558
1995	4	14.358656
1995	5	12.98977
1995	6	11.485154
1995	7	8.993956
1995	8	6.751184
1995	9	6.132516
1995	10	7.875974
1995	11	10.833629
1995	12	12.891184
1996	1	14.007307
1996	2	14.873914
1996	3	14.874991
1996	4	14.067915
1996	5	13.096107
1996	6	12.134819
1996	7	10.172292
1996	8	8.194762
1996	9	7.631837
1996	10	9.215932
1996	11	10.471715
1996	12	12.847494
1997	1	14.27054
1997	2	15.266363
1997	3	15.333406
1997	4	14.470308
1997	5	13.185253
1997	6	11.778064
1997	7	9.419086
1997	8	7.296245
1997	9	6.740805
1997	10	8.381028
1997	11	10.74627
1997	12	13.051779
1998	1	14.607691
1998	2	15.575685
1998	3	15.435939
1998	4	14.776314
1998	5	13.607882
1998	6	11.7476
1998	7	9.424672
1998	8	7.522554
1998	9	6.586521
1998	10	8.490429
1998	11	10.506423
1998	12	12.744258
1999	1	14.233501
1999	2	15.10211
1999	3	15.180269
1999	4	14.951931
1999	5	13.771393
1999	6	11.822977
1999	7	9.497116
1999	8	7.236505
1999	9	6.159264
1999	10	8.635853
1999	11	10.8609
1999	12	12.616062
2000	1	14.111257
2000	2	14.995762
2000	3	15.060584
2000	4	14.42974
2000	5	13.167398
2000	6	11.706992
2000	7	9.521546
2000	8	7.181215
2000	9	6.290768
2000	10	8.416523
2000	11	10.384676
2000	12	12.623627
2001	1	14.097421
2001	2	15.016793
2001	3	15.322594
2001	4	14.747504
2001	5	13.537248
2001	6	11.49934
2001	7	9.078069
2001	8	7.473697
2001	9	6.771967
2001	10	8.334141
2001	11	10.723479
2001	12	12.469506
2002	1	14.137944
2002	2	15.199888
2002	3	15.221964
2002	4	14.22812
2002	5	12.999438
2002	6	11.626373
2002	7	9.281315
2002	8	6.606487
2002	9	5.865081
2002	10	8.195335
2002	11	10.402288
2002	12	12.549906
2003	1	14.181805
2003	2	14.940075
2003	3	15.270051
2003	4	14.37398
2003	5	13.030224
2003	6	11.643226
2003	7	9.22588
2003	8	6.946045
2003	9	6.16039
2003	10	7.88768
2003	11	10.194935
2003	12	12.575548
2004	1	13.907172
2004	2	14.748198
2004	3	14.825576
2004	4	13.899469
2004	5	12.579417
2004	6	11.486886
2004	7	9.439102
2004	8	6.866592
2004	9	6.022506
2004	10	7.962269
2004	11	10.414845
2004	12	12.545941
2005	1	13.566862
2005	2	14.228603
2005	3	14.484074
2005	4	13.993331
2005	5	12.936422
2005	6	11.205407
2005	7	8.65887
2005	8	6.314103
2005	9	5.556699
2005	10	7.392026
2005	11	10.286503
2005	12	12.214942
2006	1	13.362221
2006	2	14.136949
2006	3	14.2005
2006	4	13.776494
2006	5	12.544029
2006	6	10.960767
2006	7	8.469071
2006	8	6.506591
2006	9	5.90775
2006	10	7.578742
2006	11	9.718486
2006	12	11.939352
2007	1	13.644482
2007	2	14.383579
2007	3	14.42681
2007	4	13.798347
2007	5	12.807102
2007	6	11.260719
2007	7	7.951832
2007	8	5.354734
2007	9	4.31586
2007	10	6.076356
2007	11	9.823336
2007	12	12.0275
2008	1	13.792225
2008	2	14.849899
2008	3	15.077287
2008	4	14.287322
2008	5	13.000817
2008	6	11.238006
2008	7	8.682882
2008	8	5.918144
2008	9	4.720406
2008	10	7.382525
2008	11	10.397472
2008	12	12.351522
2009	1	13.816123
2009	2	14.67038
2009	3	14.847985
2009	4	14.414683
2009	5	13.201251
2009	6	11.35041
2009	7	8.470259
2009	8	6.140839
2009	9	5.296814
2009	10	6.950252
2009	11	9.824204
2009	12	12.184688
2010	1	13.541496
2010	2	14.287933
2010	3	14.879075
2010	4	14.515784
2010	5	12.880014
2010	6	10.614353
2010	7	8.079538
2010	8	5.880224
2010	9	4.898852
2010	10	7.017949
2010	11	9.65862
2010	12	11.753014
2011	1	13.253504
2011	2	14.09722
2011	3	14.336439
2011	4	13.970584
2011	5	12.687457
2011	6	10.780705
2011	7	7.728639
2011	8	5.506609
2011	9	4.601221
2011	10	6.506207
2011	11	9.833343
2011	12	12.126399
