Year Number
1950 66.267
1951 67.393
1952 68.624
1953 69.406
1954 69.666
1955 69.565
1956 70.975
1957 71.668
1958 72.016
1959 72.299
1960 72.589
1961 73.562
1962 74.491
1963 75.276
1964 75.744
1965 75.862
1966 76.726
1967 77.242
1968 77.406
1969 77.134
1970 76.31
1971 81.126
1972 85.909
1973 90.651
1974 95.535
1975 100.738
1976 101.062
1977 100.774
1978 100.035
1979 99.236
1980 98.881
1981 88.005
1982 79.882
1983 73.918
1984 69.449
1985 66.036
1986 67.281
1987 68.521
1988 69.912
1989 71.617
1990 73.626
1991 76.586
1992 79.35
1993 81.899
1994 84.111
1995 85.873
1996 87.159
1997 88.068
1998 88.483
1999 88.274
2000 87.454
2001 86.704
2002 85.345
2003 83.626
2004 81.854
2005 80.188
2006 79.226
2007 78.289
2008 77.381
2009 76.456
2010 75.509
2011 75.024
2012 74.423
2013 73.805
2014 73.269
2015 72.851
2016 72.808
2017 72.782
2018 72.764
2019 72.723
2020 72.64
2021 72.778
2022 72.807
2023 72.742
2024 72.601
2025 72.392
2026 72.274
2027 72.045
2028 71.715
2029 71.289
2030 70.772
2031 70.301
2032 69.722
2033 69.049
2034 68.287
2035 67.449
2036 66.658
2037 65.783
2038 64.849
2039 63.874
2040 62.876
2041 61.946
2042 60.984
2043 60.028
2044 59.116
2045 58.271
2046 57.581
2047 56.923
2048 56.309
2049 55.752
2050 55.257
2051 54.916
2052 54.608
2053 54.327
2054 54.056
2055 53.785
2056 53.595
2057 53.395
2058 53.19
2059 52.983
2060 52.778
2061 52.63
2062 52.472
2063 52.313
2064 52.157
2065 52.01
2066 51.899
2067 51.79
2068 51.692
2069 51.615
2070 51.568
2071 51.565
2072 51.577
2073 51.611
2074 51.673
2075 51.765
2076 51.887
2077 52.026
2078 52.187
2079 52.371
2080 52.579
2081 52.804
2082 53.044
2083 53.299
2084 53.567
2085 53.849
2086 54.129
2087 54.416
2088 54.713
2089 55.019
2090 55.335
2091 55.629
2092 55.928
2093 56.236
2094 56.558
2095 56.895
2096 57.202
2097 57.521
2098 57.857
2099 58.211
2100 58.585