Year Number
1950 76.447
1951 78.838
1952 82.049
1953 85.127
1954 87.735
1955 89.98
1956 93.294
1957 95.583
1958 97.427
1959 99.29
1960 101.275
1961 102.95
1962 104.941
1963 106.826
1964 107.99
1965 108.199
1966 108.456
1967 107.83
1968 106.677
1969 105.517
1970 104.611
1971 104.487
1972 104.527
1973 104.659
1974 104.743
1975 104.719
1976 105.413
1977 105.92
1978 106.289
1979 106.594
1980 106.855
1981 106.899
1982 106.822
1983 106.591
1984 106.141
1985 105.434
1986 104.83
1987 103.965
1988 102.835
1989 101.437
1990 99.778
1991 97.781
1992 95.541
1993 93.169
1994 90.831
1995 88.628
1996 86.47
1997 84.643
1998 82.964
1999 81.196
2000 79.253
2001 78.253
2002 76.812
2003 75.201
2004 73.784
2005 72.716
2006 70.594
2007 68.984
2008 67.642
2009 66.163
2010 64.313
2011 65.657
2012 66.824
2013 67.777
2014 68.759
2015 70.03
2016 67.249
2017 64.682
2018 62.425
2019 60.517
2020 59.003
2021 57.458
2022 56.413
2023 55.788
2024 55.404
2025 55.063
2026 54.695
2027 54.289
2028 53.809
2029 53.288
2030 52.752
2031 52.105
2032 51.511
2033 50.945
2034 50.382
2035 49.826
2036 49.35
2037 48.888
2038 48.471
2039 48.14
2040 47.913
2041 47.809
2042 47.778
2043 47.826
2044 47.953
2045 48.155
2046 48.416
2047 48.738
2048 49.101
2049 49.475
2050 49.842
2051 50.187
2052 50.521
2053 50.837
2054 51.124
2055 51.378
2056 51.566
2057 51.712
2058 51.845
2059 52.009
2060 52.234
2061 52.465
2062 52.749
2063 53.069
2064 53.398
2065 53.72
2066 53.994
2067 54.266
2068 54.544
2069 54.839
2070 55.157
2071 55.448
2072 55.752
2073 56.09
2074 56.485
2075 56.951
2076 57.428
2077 57.979
2078 58.59
2079 59.234
2080 59.896
2081 60.519
2082 61.161
2083 61.821
2084 62.503
2085 63.211
2086 63.847
2087 64.504
2088 65.178
2089 65.85
2090 66.504
2091 67.029
2092 67.545
2093 68.054
2094 68.559
2095 69.069
2096 69.46
2097 69.863
2098 70.285
2099 70.731
2100 71.205