Year Number
1950 54.914
1951 54.222
1952 52.951
1953 51.794
1954 51.087
1955 50.846
1956 50.678
1957 51.186
1958 51.985
1959 52.624
1960 52.884
1961 53.172
1962 52.947
1963 52.427
1964 52.027
1965 51.962
1966 52.16
1967 52.957
1968 54.132
1969 55.315
1970 56.312
1971 56.936
1972 56.995
1973 56.716
1974 56.489
1975 56.52
1976 56.243
1977 56.328
1978 56.533
1979 56.486
1980 56.033
1981 55.537
1982 54.802
1983 54.013
1984 53.33
1985 52.731
1986 52.123
1987 51.333
1988 50.47
1989 49.659
1990 49.003
1991 48.544
1992 48.183
1993 47.883
1994 47.567
1995 47.209
1996 47.249
1997 47.19
1998 47.112
1999 47.107
2000 47.205
2001 47.684
2002 48.256
2003 48.862
2004 49.387
2005 49.77
2006 50.004
2007 50.112
2008 50.184
2009 50.353
2010 50.682
2011 51.424
2012 52.456
2013 53.73
2014 55.055
2015 56.247
2016 56.739
2017 56.858
2018 56.768
2019 56.716
2020 56.826
2021 56.847
2022 57.128
2023 57.553
2024 57.936
2025 58.2
2026 58.58
2027 58.848
2028 59.112
2029 59.534
2030 60.191
2031 60.998
2032 62.059
2033 63.315
2034 64.674
2035 66.106
2036 67.534
2037 69.032
2038 70.621
2039 72.286
2040 73.972
2041 75.481
2042 77.01
2043 78.539
2044 80.1
2045 81.753
2046 83.349
2047 85.04
2048 86.736
2049 88.239
2050 89.384
2051 89.879
2052 90.02
2053 89.927
2054 89.83
2055 89.893
2056 89.854
2057 90.02
2058 90.299
2059 90.514
2060 90.549
2061 90.184
2062 89.718
2063 89.229
2064 88.838
2065 88.624
2066 88.343
2067 88.281
2068 88.4
2069 88.638
2070 88.97
2071 89.153
2072 89.447
2073 89.894
2074 90.503
2075 91.234
2076 91.827
2077 92.632
2078 93.47
2079 94.177
2080 94.724
2081 94.878
2082 94.815
2083 94.694
2084 94.646
2085 94.654
2086 94.296
2087 94.07
2088 93.871
2089 93.641
2090 93.429
2091 92.977
2092 92.562
2093 92.256
2094 92.09
2095 92.031
2096 91.652
2097 91.436
2098 91.335
2099 91.307
2100 91.364