Year Number
1950 75.493
1951 76.106
1952 76.643
1953 76.807
1954 76.528
1955 75.885
1956 76.806
1957 77.141
1958 77.145
1959 77.102
1960 77.158
1961 78.435
1962 79.677
1963 80.852
1964 81.851
1965 82.616
1966 84.303
1967 85.634
1968 86.671
1969 87.5
1970 88.167
1971 89.62
1972 90.77
1973 91.653
1974 92.301
1975 92.742
1976 93.793
1977 94.543
1978 95.041
1979 95.335
1980 95.46
1981 96.192
1982 96.633
1983 96.848
1984 96.903
1985 96.832
1986 97.318
1987 97.568
1988 97.627
1989 97.54
1990 97.339
1991 96.984
1992 96.435
1993 95.754
1994 94.966
1995 94.079
1996 94.351
1997 94.382
1998 94.222
1999 93.936
2000 93.567
2001 93.054
2002 92.405
2003 91.65
2004 90.794
2005 89.846
2006 89.429
2007 88.825
2008 88.07
2009 87.197
2010 86.223
2011 85.61
2012 84.853
2013 83.979
2014 83.013
2015 81.982
2016 81.156
2017 80.254
2018 79.288
2019 78.272
2020 77.219
2021 76.435
2022 75.563
2023 74.643
2024 73.716
2025 72.805
2026 72.12
2027 71.41
2028 70.679
2029 69.923
2030 69.143
2031 68.55
2032 67.903
2033 67.216
2034 66.502
2035 65.773
2036 65.208
2037 64.596
2038 63.951
2039 63.285
2040 62.607
2041 62.078
2042 61.511
2043 60.919
2044 60.315
2045 59.707
2046 59.243
2047 58.753
2048 58.246
2049 57.73
2050 57.215
2051 56.841
2052 56.441
2053 56.028
2054 55.613
2055 55.206
2056 54.933
2057 54.644
2058 54.344
2059 54.04
2060 53.736
2061 53.556
2062 53.352
2063 53.134
2064 52.913
2065 52.695
2066 52.595
2067 52.473
2068 52.336
2069 52.188
2070 52.036
2071 51.984
2072 51.906
2073 51.807
2074 51.693
2075 51.568
2076 51.537
2077 51.474
2078 51.389
2079 51.294
2080 51.198
2081 51.199
2082 51.178
2083 51.141
2084 51.092
2085 51.036
2086 51.079
2087 51.094
2088 51.088
2089 51.072
2090 51.054
2091 51.131
2092 51.187
2093 51.226
2094 51.253
2095 51.271
2096 51.399
2097 51.498
2098 51.574
2099 51.637
2100 51.695