Year Number
1950 83.094
1951 82.456
1952 81.415
1953 80.292
1954 79.268
1955 78.394
1956 78.437
1957 78.492
1958 78.55
1959 78.622
1960 78.759
1961 79.727
1962 80.375
1963 80.896
1964 81.478
1965 82.204
1966 83.513
1967 84.656
1968 85.662
1969 86.511
1970 87.222
1971 88.356
1972 89.121
1973 89.612
1974 89.929
1975 90.151
1976 91.102
1977 91.758
1978 92.159
1979 92.31
1980 92.238
1981 92.802
1982 92.921
1983 92.715
1984 92.303
1985 91.759
1986 91.86
1987 91.773
1988 91.49
1989 90.994
1990 90.312
1991 89.961
1992 89.36
1993 88.591
1994 87.757
1995 86.927
1996 86.961
1997 86.925
1998 86.8
1999 86.547
2000 86.154
2001 86.958
2002 87.569
2003 88.001
2004 88.3
2005 88.496
2006 88.534
2007 88.452
2008 88.231
2009 87.863
2010 87.377
2011 86.742
2012 86.02
2013 85.22
2014 84.365
2015 83.49
2016 83.034
2017 82.469
2018 81.847
2019 81.232
2020 80.654
2021 80.319
2022 79.969
2023 79.579
2024 79.115
2025 78.569
2026 78.141
2027 77.622
2028 77.017
2029 76.342
2030 75.62
2031 75.034
2032 74.383
2033 73.681
2034 72.948
2035 72.204
2036 71.621
2037 71.007
2038 70.373
2039 69.727
2040 69.082
2041 68.595
2042 68.081
2043 67.547
2044 66.996
2045 66.437
2046 65.99
2047 65.517
2048 65.024
2049 64.52
2050 64.014
2051 63.617
2052 63.204
2053 62.781
2054 62.356
2055 61.938
2056 61.638
2057 61.322
2058 60.999
2059 60.682
2060 60.377
2061 60.171
2062 59.957
2063 59.732
2064 59.497
2065 59.25
2066 59.065
2067 58.861
2068 58.639
2069 58.399
2070 58.143
2071 57.951
2072 57.73
2073 57.495
2074 57.264
2075 57.047
2076 56.901
2077 56.759
2078 56.621
2079 56.486
2080 56.354
2081 56.285
2082 56.205
2083 56.12
2084 56.04
2085 55.97
2086 55.94
2087 55.912
2088 55.885
2089 55.856
2090 55.826
2091 55.827
2092 55.816
2093 55.8
2094 55.785
2095 55.778
2096 55.791
2097 55.802
2098 55.814
2099 55.829
2100 55.847