Year Number
1950 70.937
1951 72.333
1952 74.196
1953 76.017
1954 77.702
1955 79.403
1956 82.347
1957 84.612
1958 86.619
1959 88.644
1960 90.699
1961 92.06
1962 93.727
1963 95.259
1964 96.02
1965 95.726
1966 95.327
1967 94.045
1968 92.172
1969 90.22
1970 88.483
1971 86.893
1972 85.398
1973 83.985
1974 82.526
1975 80.928
1976 80.688
1977 80.543
1978 80.412
1979 80.245
1980 80.012
1981 78.264
1982 76.575
1983 75.005
1984 73.562
1985 72.206
1986 71.138
1987 69.989
1988 68.786
1989 67.661
1990 66.777
1991 65.456
1992 64.231
1993 63.133
1994 62.039
1995 60.808
1996 60.039
1997 59.046
1998 57.86
1999 56.654
2000 55.632
2001 56.029
2002 56.156
2003 56.07
2004 55.648
2005 54.732
2006 53.43
2007 51.78
2008 49.944
2009 48.326
2010 47.314
2011 46.945
2012 46.947
2013 47.236
2014 47.469
2015 47.338
2016 46.787
2017 46.176
2018 45.514
2019 44.971
2020 44.664
2021 44.427
2022 44.585
2023 45.043
2024 45.624
2025 46.252
2026 47.1
2027 47.819
2028 48.485
2029 49.217
2030 50.064
2031 50.731
2032 51.42
2033 52.088
2034 52.646
2035 53.047
2036 53.19
2037 53.225
2038 53.193
2039 53.175
2040 53.235
2041 53.28
2042 53.415
2043 53.677
2044 54.107
2045 54.734
2046 55.458
2047 56.396
2048 57.537
2049 58.856
2050 60.332
2051 61.809
2052 63.432
2053 65.214
2054 67.157
2055 69.248
2056 71.261
2057 73.413
2058 75.653
2059 77.906
2060 80.119
2061 82.015
2062 83.846
2063 85.578
2064 87.191
2065 88.675
2066 89.669
2067 90.527
2068 91.223
2069 91.714
2070 91.975
2071 91.603
2072 91.025
2073 90.366
2074 89.797
2075 89.424
2076 88.852
2077 88.536
2078 88.42
2079 88.408
2080 88.457
2081 88.217
2082 88.079
2083 88.09
2084 88.302
2085 88.731
2086 88.985
2087 89.475
2088 90.146
2089 90.926
2090 91.773
2091 92.331
2092 92.966
2093 93.652
2094 94.353
2095 95.034
2096 95.326
2097 95.601
2098 95.841
2099 96.053
2100 96.256