Year Number
1950 92.761
1951 92.997
1952 93.384
1953 93.996
1954 94.588
1955 94.953
1956 95.644
1957 95.97
1958 96.07
1959 96.174
1960 96.392
1961 96.647
1962 97.054
1963 97.346
1964 97.088
1965 96.058
1966 95.256
1967 93.453
1968 91.095
1969 88.692
1970 86.402
1971 83.191
1972 80.68
1973 78.533
1974 76.269
1975 73.714
1976 70.706
1977 68.034
1978 66.104
1979 65.066
1980 64.622
1981 63.069
1982 61.458
1983 59.793
1984 58.115
1985 56.497
1986 55.226
1987 53.927
1988 52.682
1989 51.622
1990 50.818
1991 49.953
1992 49.503
1993 49.292
1994 49.03
1995 48.556
1996 48.698
1997 48.314
1998 47.672
1999 47.131
2000 46.838
2001 46.273
2002 46.171
2003 46.258
2004 46.126
2005 45.593
2006 45.167
2007 44.331
2008 43.321
2009 42.487
2010 41.989
2011 41.386
2012 41.061
2013 40.92
2014 40.796
2015 40.618
2016 40.55
2017 40.476
2018 40.429
2019 40.478
2020 40.661
2021 41.053
2022 41.508
2023 42.065
2024 42.765
2025 43.618
2026 44.586
2027 45.708
2028 46.908
2029 48.063
2030 49.096
2031 50.023
2032 50.82
2033 51.506
2034 52.13
2035 52.724
2036 53.237
2037 53.68
2038 54.109
2039 54.607
2040 55.216
2041 55.915
2042 56.741
2043 57.61
2044 58.393
2045 59.017
2046 59.508
2047 59.863
2048 60.138
2049 60.423
2050 60.774
2051 61.2
2052 61.671
2053 62.234
2054 62.934
2055 63.791
2056 64.815
2057 66.03
2058 67.364
2059 68.705
2060 69.986
2061 71.2
2062 72.343
2063 73.448
2064 74.576
2065 75.763
2066 76.893
2067 78.052
2068 79.211
2069 80.287
2070 81.202
2071 81.836
2072 82.36
2073 82.747
2074 82.999
2075 83.153
2076 83.107
2077 82.971
2078 82.796
2079 82.646
2080 82.542
2081 82.298
2082 82.121
2083 82.02
2084 81.978
2085 81.974
2086 81.853
2087 81.833
2088 81.88
2089 81.968
2090 82.107
2091 82.171
2092 82.299
2093 82.503
2094 82.772
2095 83.075
2096 83.213
2097 83.431
2098 83.697
2099 83.956
2100 84.187