Year Number
1950 70.335
1951 71.01
1952 71.482
1953 71.683
1954 71.648
1955 71.449
1956 72.443
1957 73.06
1958 73.449
1959 73.752
1960 74.035
1961 75.232
1962 76.205
1963 76.981
1964 77.545
1965 77.894
1966 79.066
1967 79.895
1968 80.44
1969 80.752
1970 80.865
1971 82.131
1972 83.076
1973 83.758
1974 84.245
1975 84.587
1976 85.371
1977 85.884
1978 86.197
1979 86.383
1980 86.494
1981 86.766
1982 86.873
1983 86.856
1984 86.719
1985 86.454
1986 87.492
1987 88.283
1988 88.841
1989 89.19
1990 89.347
1991 89.397
1992 89.106
1993 88.565
1994 87.87
1995 87.081
1996 87.036
1997 86.907
1998 86.637
1999 86.138
2000 85.379
2001 85.702
2002 85.612
2003 85.227
2004 84.699
2005 84.099
2006 83.551
2007 82.837
2008 81.989
2009 81.017
2010 79.949
2011 79.077
2012 78.177
2013 77.239
2014 76.233
2015 75.156
2016 74.507
2017 73.654
2018 72.703
2019 71.779
2020 70.927
2021 70.354
2022 69.781
2023 69.18
2024 68.488
2025 67.678
2026 67.026
2027 66.244
2028 65.363
2029 64.424
2030 63.458
2031 62.657
2032 61.806
2033 60.927
2034 60.035
2035 59.149
2036 58.451
2037 57.736
2038 57.027
2039 56.346
2040 55.71
2041 55.235
2042 54.781
2043 54.355
2044 53.962
2045 53.607
2046 53.389
2047 53.181
2048 52.987
2049 52.816
2050 52.67
2051 52.612
2052 52.562
2053 52.513
2054 52.453
2055 52.379
2056 52.347
2057 52.288
2058 52.214
2059 52.147
2060 52.098
2061 52.099
2062 52.103
2063 52.11
2064 52.119
2065 52.13
2066 52.177
2067 52.217
2068 52.25
2069 52.276
2070 52.297
2071 52.337
2072 52.361
2073 52.384
2074 52.425
2075 52.498
2076 52.622
2077 52.763
2078 52.923
2079 53.099
2080 53.29
2081 53.516
2082 53.747
2083 53.983
2084 54.229
2085 54.486
2086 54.757
2087 55.031
2088 55.307
2089 55.583
2090 55.857
2091 56.131
2092 56.394
2093 56.653
2094 56.913
2095 57.18
2096 57.438
2097 57.699
2098 57.966
2099 58.237
2100 58.513