Year Number
1950 49.895
1951 50.531
1952 50.627
1953 50.863
1954 51.37
1955 51.993
1956 52.094
1957 52.601
1958 53.166
1959 53.519
1960 53.61
1961 54.168
1962 54.378
1963 54.417
1964 54.572
1965 54.966
1966 55.894
1967 56.818
1968 57.732
1969 58.556
1970 59.216
1971 59.803
1972 60.248
1973 60.486
1974 60.45
1975 60.124
1976 59.731
1977 59.115
1978 58.281
1979 57.279
1980 56.177
1981 55.285
1982 54.345
1983 53.454
1984 52.716
1985 52.189
1986 52.222
1987 52.349
1988 52.567
1989 52.847
1990 53.146
1991 53.495
1992 53.867
1993 54.224
1994 54.491
1995 54.618
1996 54.611
1997 54.473
1998 54.228
1999 53.914
2000 53.555
2001 53.189
2002 52.746
2003 52.276
2004 51.839
2005 51.478
2006 51.288
2007 51.172
2008 51.118
2009 51.124
2010 51.218
2011 51.991
2012 52.746
2013 53.52
2014 54.323
2015 55.122
2016 55.703
2017 56.346
2018 56.993
2019 57.559
2020 58.025
2021 58.513
2022 58.886
2023 59.209
2024 59.595
2025 60.104
2026 60.693
2027 61.375
2028 62.123
2029 62.877
2030 63.602
2031 64.248
2032 64.89
2033 65.495
2034 66.029
2035 66.481
2036 66.792
2037 67.02
2038 67.205
2039 67.377
2040 67.545
2041 67.63
2042 67.734
2043 67.861
2044 68.039
2045 68.312
2046 68.593
2047 68.956
2048 69.402
2049 69.909
2050 70.448
2051 70.854
2052 71.292
2053 71.751
2054 72.206
2055 72.64
2056 72.909
2057 73.184
2058 73.441
2059 73.653
2060 73.811
2061 73.803
2062 73.784
2063 73.744
2064 73.671
2065 73.572
2066 73.304
2067 73.025
2068 72.787
2069 72.668
2070 72.716
2071 72.728
2072 72.906
2073 73.226
2074 73.631
2075 74.072
2076 74.339
2077 74.668
2078 75.047
2079 75.47
2080 75.936
2081 76.231
2082 76.58
2083 76.976
2084 77.408
2085 77.867
2086 78.122
2087 78.42
2088 78.75
2089 79.1
2090 79.465
2091 79.603
2092 79.768
2093 79.961
2094 80.189
2095 80.461
2096 80.502
2097 80.58
2098 80.713
2099 80.922
2100 81.213