Year Number
1950 77.965
1951 79.152
1952 79.695
1953 80.677
1954 82.328
1955 84.385
1956 85.934
1957 87.994
1958 90.152
1959 91.927
1960 93.024
1961 94.446
1962 95.075
1963 95.17
1964 95.029
1965 94.704
1966 94.112
1967 93.503
1968 92.822
1969 91.97
1970 90.894
1971 91.394
1972 91.84
1973 92.064
1974 92.005
1975 91.521
1976 87.25
1977 83.037
1978 78.671
1979 74.185
1980 69.932
1981 68.147
1982 66.041
1983 64.073
1984 62.727
1985 62.088
1986 59.921
1987 58.659
1988 57.664
1989 56.426
1990 54.927
1991 54.668
1992 54.203
1993 53.464
1994 52.762
1995 52.4
1996 51.874
1997 51.93
1998 52.272
1999 52.639
2000 52.963
2001 53.17
2002 53.551
2003 53.919
2004 54.234
2005 54.548
2006 54.233
2007 54.15
2008 54.244
2009 54.512
2010 54.97
2011 55.295
2012 55.778
2013 56.343
2014 56.961
2015 57.63
2016 57.901
2017 58.332
2018 58.829
2019 59.331
2020 59.836
2021 60.138
2022 60.457
2023 60.851
2024 61.447
2025 62.324
2026 63.201
2027 64.365
2028 65.751
2029 67.263
2030 68.851
2031 70.303
2032 71.863
2033 73.487
2034 75.144
2035 76.817
2036 78.182
2037 79.546
2038 80.882
2039 82.19
2040 83.467
2041 84.346
2042 85.223
2043 86.01
2044 86.613
2045 86.98
2046 86.727
2047 86.318
2048 85.773
2049 85.204
2050 84.699
2051 83.84
2052 83.105
2053 82.484
2054 81.973
2055 81.556
2056 80.865
2057 80.374
2058 80.021
2059 79.759
2060 79.599
2061 79.217
2062 78.992
2063 78.929
2064 79.078
2065 79.475
2066 79.731
2067 80.245
2068 80.993
2069 81.944
2070 83.065
2071 83.952
2072 85.061
2073 86.271
2074 87.484
2075 88.679
2076 89.42
2077 90.13
2078 90.823
2079 91.533
2080 92.247
2081 92.449
2082 92.71
2083 92.981
2084 93.249
2085 93.542
2086 93.417
2087 93.408
2088 93.476
2089 93.623
2090 93.883
2091 93.775
2092 93.83
2093 94.035
2094 94.395
2095 94.912
2096 94.991
2097 95.289
2098 95.766
2099 96.361
2100 97.029