Year Number
1950 75.736
1951 75.742
1952 75.812
1953 75.539
1954 74.875
1955 73.982
1956 74.719
1957 74.891
1958 74.818
1959 74.683
1960 74.485
1961 73.804
1962 73.372
1963 72.92
1964 72.109
1965 70.839
1966 69.636
1967 68.104
1968 66.388
1969 64.713
1970 63.192
1971 62.176
1972 61.121
1973 60.188
1974 59.513
1975 59.116
1976 58.421
1977 58.089
1978 57.876
1979 57.445
1980 56.642
1981 55.631
1982 54.358
1983 52.988
1984 51.77
1985 50.834
1986 50.46
1987 50.228
1988 50.128
1989 50.115
1990 50.139
1991 50.11
1992 50.085
1993 49.974
1994 49.687
1995 49.218
1996 48.891
1997 48.34
1998 47.683
1999 47.063
2000 46.538
2001 46.006
2002 45.614
2003 45.293
2004 44.918
2005 44.429
2006 43.968
2007 43.371
2008 42.714
2009 42.122
2010 41.671
2011 41.316
2012 41.122
2013 41.085
2014 41.181
2015 41.395
2016 41.964
2017 42.578
2018 43.241
2019 43.973
2020 44.756
2021 45.574
2022 46.436
2023 47.314
2024 48.146
2025 48.899
2026 49.628
2027 50.263
2028 50.831
2029 51.384
2030 51.955
2031 52.576
2032 53.204
2033 53.821
2034 54.398
2035 54.922
2036 55.438
2037 55.904
2038 56.347
2039 56.807
2040 57.315
2041 57.903
2042 58.521
2043 59.193
2044 59.944
2045 60.78
2046 61.746
2047 62.808
2048 63.928
2049 65.042
2050 66.109
2051 67.181
2052 68.193
2053 69.167
2054 70.139
2055 71.128
2056 72.112
2057 73.101
2058 74.068
2059 74.961
2060 75.742
2061 76.374
2062 76.909
2063 77.347
2064 77.708
2065 78.006
2066 78.201
2067 78.357
2068 78.462
2069 78.487
2070 78.417
2071 78.192
2072 77.904
2073 77.604
2074 77.355
2075 77.191
2076 77.046
2077 77.034
2078 77.124
2079 77.267
2080 77.443
2081 77.601
2082 77.829
2083 78.125
2084 78.47
2085 78.84
2086 79.121
2087 79.463
2088 79.84
2089 80.223
2090 80.601
2091 80.838
2092 81.101
2093 81.382
2094 81.668
2095 81.946
2096 82.028
2097 82.141
2098 82.273
2099 82.411
2100 82.558