Year Number
1950 78.238
1951 79.123
1952 79.401
1953 79.48
1954 79.527
1955 79.529
1956 80.247
1957 80.932
1958 81.465
1959 81.734
1960 81.718
1961 82.758
1962 83.307
1963 83.551
1964 83.734
1965 83.962
1966 85.099
1967 86.104
1968 86.971
1969 87.65
1970 88.127
1971 89.327
1972 90.206
1973 90.813
1974 91.182
1975 91.284
1976 92.268
1977 93.092
1978 93.702
1979 93.954
1980 93.667
1981 94.755
1982 95.641
1983 96.342
1984 97.041
1985 98.023
1986 98.803
1987 99.154
1988 99.375
1989 99.876
1990 101.095
1991 101.008
1992 100.88
1993 100.882
1994 100.848
1995 100.476
1996 101.232
1997 101.977
1998 102.54
1999 102.925
2000 103.254
2001 102.933
2002 102.217
2003 101.291
2004 100.249
2005 99.078
2006 99.575
2007 100
2008 100.215
2009 100.06
2010 99.46
2011 97.667
2012 95.312
2013 92.603
2014 89.774
2015 86.954
2016 84.618
2017 82.457
2018 80.353
2019 78.16
2020 75.842
2021 73.881
2022 71.741
2023 69.568
2024 67.551
2025 65.766
2026 64.173
2027 62.775
2028 61.515
2029 60.295
2030 59.071
2031 57.978
2032 56.885
2033 55.806
2034 54.768
2035 53.785
2036 52.926
2037 52.085
2038 51.271
2039 50.487
2040 49.734
2041 49.057
2042 48.405
2043 47.772
2044 47.154
2045 46.547
2046 46.015
2047 45.489
2048 44.972
2049 44.472
2050 43.992
2051 43.583
2052 43.19
2053 42.822
2054 42.488
2055 42.195
2056 41.997
2057 41.826
2058 41.695
2059 41.619
2060 41.607
2061 41.703
2062 41.842
2063 42.024
2064 42.246
2065 42.507
2066 42.849
2067 43.206
2068 43.583
2069 43.987
2070 44.419
2071 44.918
2072 45.426
2073 45.93
2074 46.403
2075 46.835
2076 47.273
2077 47.65
2078 47.986
2079 48.311
2080 48.641
2081 49.037
2082 49.416
2083 49.779
2084 50.123
2085 50.45
2086 50.854
2087 51.222
2088 51.562
2089 51.887
2090 52.204
2091 52.635
2092 53.035
2093 53.413
2094 53.775
2095 54.126
2096 54.615
2097 55.072
2098 55.502
2099 55.905
2100 56.281