Year Number
1950 68.061
1951 68.271
1952 67.75
1953 67.61
1954 68.191
1955 69.374
1956 69.877
1957 71.151
1958 72.653
1959 73.799
1960 74.249
1961 74.498
1962 73.916
1963 72.547
1964 70.779
1965 68.983
1966 69.031
1967 69.13
1968 69.266
1969 69.411
1970 69.591
1971 67.089
1972 64.705
1973 62.721
1974 61.155
1975 59.834
1976 58.282
1977 56.711
1978 55.187
1979 53.719
1980 52.303
1981 52.589
1982 52.764
1983 52.923
1984 53.115
1985 53.317
1986 53.653
1987 53.8
1988 54.007
1989 54.368
1990 54.791
1991 54.51
1992 54.173
1993 53.802
1994 53.322
1995 52.693
1996 52.274
1997 51.468
1998 50.468
1999 49.436
2000 48.431
2001 47.453
2002 46.539
2003 45.741
2004 45.002
2005 44.252
2006 43.709
2007 43.115
2008 42.521
2009 41.976
2010 41.516
2011 41.432
2012 41.363
2013 41.363
2014 41.456
2015 41.636
2016 41.986
2017 42.379
2018 42.828
2019 43.317
2020 43.825
2021 44.404
2022 45
2023 45.6
2024 46.177
2025 46.711
2026 47.273
2027 47.762
2028 48.211
2029 48.644
2030 49.07
2031 49.511
2032 49.917
2033 50.322
2034 50.747
2035 51.199
2036 51.676
2037 52.175
2038 52.724
2039 53.333
2040 54.006
2041 54.739
2042 55.509
2043 56.364
2044 57.348
2045 58.479
2046 59.736
2047 61.123
2048 62.6
2049 64.059
2050 65.416
2051 66.624
2052 67.702
2053 68.719
2054 69.768
2055 70.901
2056 72.031
2057 73.221
2058 74.439
2059 75.601
2060 76.641
2061 77.459
2062 78.155
2063 78.75
2064 79.255
2065 79.672
2066 79.849
2067 79.929
2068 79.964
2069 80.005
2070 80.079
2071 80.02
2072 79.997
2073 80.047
2074 80.16
2075 80.306
2076 80.334
2077 80.449
2078 80.614
2079 80.79
2080 80.982
2081 81.052
2082 81.122
2083 81.254
2084 81.459
2085 81.708
2086 81.791
2087 81.943
2088 82.14
2089 82.353
2090 82.585
2091 82.671
2092 82.784
2093 82.943
2094 83.148
2095 83.389
2096 83.442
2097 83.517
2098 83.625
2099 83.78
2100 83.996