Year Number
1950 96.703
1951 98.279
1952 100.582
1953 102.48
1954 103.577
1955 104.017
1956 105.287
1957 105.377
1958 105.135
1959 105.38
1960 106.467
1961 107.282
1962 109.317
1963 112.004
1964 114.353
1965 115.786
1966 116.804
1967 116.858
1968 116.043
1969 114.899
1970 113.78
1971 113.154
1972 112.876
1973 112.489
1974 111.606
1975 110.137
1976 107.542
1977 104.779
1978 101.811
1979 98.845
1980 96.082
1981 93.684
1982 91.406
1983 89.114
1984 86.868
1985 84.799
1986 83.432
1987 82.345
1988 81.271
1989 80.193
1990 79.274
1991 79.074
1992 79.349
1993 79.925
1994 80.634
1995 81.372
1996 81.177
1997 81.155
1998 81.339
1999 81.786
2000 82.465
2001 81.489
2002 80.946
2003 80.627
2004 80.3
2005 79.874
2006 79.125
2007 78.416
2008 77.74
2009 77.096
2010 76.45
2011 76.354
2012 75.83
2013 75.103
2014 74.455
2015 73.987
2016 73.186
2017 72.747
2018 72.452
2019 72.028
2020 71.35
2021 70.487
2022 69.526
2023 68.532
2024 67.642
2025 66.933
2026 66.398
2027 65.989
2028 65.757
2029 65.738
2030 65.931
2031 65.992
2032 66.263
2033 66.69
2034 67.163
2035 67.62
2036 67.985
2037 68.324
2038 68.622
2039 68.886
2040 69.096
2041 69.088
2042 69.032
2043 68.91
2044 68.697
2045 68.363
2046 67.771
2047 67.127
2048 66.414
2049 65.631
2050 64.775
2051 63.72
2052 62.657
2053 61.631
2054 60.727
2055 59.99
2056 59.304
2057 58.806
2058 58.469
2059 58.268
2060 58.171
2061 58.092
2062 58.145
2063 58.316
2064 58.581
2065 58.913
2066 59.193
2067 59.532
2068 59.963
2069 60.544
2070 61.296
2071 62.035
2072 62.935
2073 63.936
2074 64.929
2075 65.837
2076 66.454
2077 67.006
2078 67.482
2079 67.89
2080 68.235
2081 68.277
2082 68.258
2083 68.224
2084 68.213
2085 68.235
2086 68.045
2087 67.927
2088 67.877
2089 67.901
2090 68.004
2091 67.963
2092 68.028
2093 68.21
2094 68.518
2095 68.955
2096 69.274
2097 69.714
2098 70.272
2099 70.935
2100 71.688