Year Number
1950 78.206
1951 79.198
1952 79.558
1953 79.76
1954 79.907
1955 79.927
1956 80.142
1957 80.393
1958 80.542
1959 80.464
1960 80.116
1961 80.47
1962 80.43
1963 80.14
1964 79.814
1965 79.548
1966 79.993
1967 80.294
1968 80.444
1969 80.41
1970 80.191
1971 80.45
1972 80.526
1973 80.352
1974 79.649
1975 78.135
1976 77.933
1977 76.415
1978 73.912
1979 71.373
1980 69.702
1981 67.869
1982 68.007
1983 69.38
1984 70.671
1985 71.109
1986 72.871
1987 72.646
1988 71.256
1989 70.126
1990 70.032
1991 70.88
1992 73.104
1993 76.072
1994 78.697
1995 80.402
1996 86.546
1997 92.364
1998 97.898
1999 103.553
2000 109.605
2001 109.46
2002 108.675
2003 107.404
2004 105.656
2005 103.399
2006 97.682
2007 92.568
2008 88.233
2009 85.117
2010 83.643
2011 84.249
2012 86.481
2013 89.344
2014 91.495
2015 92.275
2016 93.541
2017 92.773
2018 91.04
2019 89.779
2020 89.554
2021 88.707
2022 89.074
2023 89.938
2024 90.222
2025 89.446
2026 88.261
2027 86.273
2028 83.82
2029 81.464
2030 79.472
2031 77.671
2032 76.111
2033 74.762
2034 73.532
2035 72.371
2036 71.317
2037 70.395
2038 69.545
2039 68.69
2040 67.792
2041 66.88
2042 65.929
2043 65.02
2044 64.227
2045 63.582
2046 63.056
2047 62.63
2048 62.261
2049 61.889
2050 61.472
2051 60.944
2052 60.394
2053 59.823
2054 59.242
2055 58.659
2056 58.023
2057 57.403
2058 56.792
2059 56.189
2060 55.599
2061 54.993
2062 54.402
2063 53.856
2064 53.39
2065 53.021
2066 52.711
2067 52.512
2068 52.372
2069 52.217
2070 52.007
2071 51.719
2072 51.37
2073 51.055
2074 50.907
2075 50.989
2076 51.212
2077 51.635
2078 52.184
2079 52.745
2080 53.248
2081 53.649
2082 54
2083 54.318
2084 54.629
2085 54.947
2086 55.18
2087 55.413
2088 55.644
2089 55.874
2090 56.103
2091 56.248
2092 56.395
2093 56.558
2094 56.748
2095 56.97
2096 57.113
2097 57.298
2098 57.527
2099 57.804
2100 58.133