Year Number
1950 84.879
1951 83.999
1952 82.771
1953 81.508
1954 80.343
1955 79.261
1956 78.666
1957 78.205
1958 77.784
1959 77.362
1960 76.972
1961 77.705
1962 78.137
1963 78.485
1964 78.999
1965 79.756
1966 81.016
1967 82.408
1968 83.813
1969 85.017
1970 85.903
1971 86.906
1972 87.561
1973 87.94
1974 88.167
1975 88.316
1976 88.438
1977 88.422
1978 88.303
1979 88.102
1980 87.843
1981 87.807
1982 87.606
1983 87.33
1984 87.075
1985 86.885
1986 87.319
1987 87.785
1988 88.202
1989 88.428
1990 88.379
1991 88.872
1992 88.913
1993 88.625
1994 88.175
1995 87.631
1996 86.884
1997 86.112
1998 85.208
1999 84.007
2000 82.458
2001 81.028
2002 79.228
2003 77.247
2004 75.365
2005 73.726
2006 72.262
2007 71.137
2008 70.217
2009 69.315
2010 68.361
2011 67.839
2012 67.15
2013 66.415
2014 65.782
2015 65.295
2016 64.968
2017 64.691
2018 64.435
2019 64.124
2020 63.717
2021 63.293
2022 62.791
2023 62.197
2024 61.514
2025 60.754
2026 60.035
2027 59.241
2028 58.393
2029 57.526
2030 56.667
2031 55.925
2032 55.188
2033 54.471
2034 53.784
2035 53.137
2036 52.643
2037 52.172
2038 51.736
2039 51.349
2040 51.015
2041 50.823
2042 50.654
2043 50.51
2044 50.388
2045 50.286
2046 50.267
2047 50.24
2048 50.211
2049 50.193
2050 50.19
2051 50.257
2052 50.321
2053 50.371
2054 50.395
2055 50.39
2056 50.416
2057 50.405
2058 50.363
2059 50.307
2060 50.245
2061 50.246
2062 50.232
2063 50.202
2064 50.146
2065 50.065
2066 50.027
2067 49.952
2068 49.872
2069 49.821
2070 49.824
2071 49.938
2072 50.082
2073 50.256
2074 50.462
2075 50.697
2076 51.029
2077 51.373
2078 51.726
2079 52.077
2080 52.42
2081 52.821
2082 53.202
2083 53.562
2084 53.898
2085 54.21
2086 54.558
2087 54.875
2088 55.165
2089 55.433
2090 55.682
2091 55.966
2092 56.226
2093 56.472
2094 56.714
2095 56.962
2096 57.256
2097 57.548
2098 57.846
2099 58.158
2100 58.49