Year Number
1950 71.295
1951 72.038
1952 73.132
1953 73.983
1954 74.507
1955 74.856
1956 76.709
1957 78.003
1958 79.097
1959 80.273
1960 81.602
1961 83.539
1962 85.563
1963 87.515
1964 89.101
1965 90.196
1966 91.546
1967 92.349
1968 92.716
1969 92.807
1970 92.709
1971 93.133
1972 93.233
1973 93.13
1974 92.992
1975 92.981
1976 93.359
1977 93.681
1978 93.988
1979 94.238
1980 94.357
1981 95.184
1982 95.874
1983 96.424
1984 96.841
1985 97.139
1986 97.888
1987 98.345
1988 98.565
1989 98.562
1990 98.331
1991 98.169
1992 97.721
1993 97.018
1994 96.092
1995 94.967
1996 93.899
1997 92.718
1998 91.429
1999 90.035
2000 88.557
2001 87.427
2002 86.18
2003 84.89
2004 83.644
2005 82.493
2006 81.668
2007 80.887
2008 80.139
2009 79.388
2010 78.622
2011 78.087
2012 77.498
2013 76.884
2014 76.265
2015 75.646
2016 75.231
2017 74.732
2018 74.168
2019 73.554
2020 72.897
2021 72.285
2022 71.637
2023 70.937
2024 70.167
2025 69.327
2026 68.576
2027 67.753
2028 66.888
2029 66.018
2030 65.167
2031 64.447
2032 63.73
2033 63.024
2034 62.334
2035 61.664
2036 61.122
2037 60.583
2038 60.057
2039 59.555
2040 59.081
2041 58.725
2042 58.373
2043 58.03
2044 57.703
2045 57.393
2046 57.179
2047 56.958
2048 56.73
2049 56.496
2050 56.257
2051 56.082
2052 55.889
2053 55.676
2054 55.44
2055 55.18
2056 54.969
2057 54.723
2058 54.455
2059 54.18
2060 53.908
2061 53.7
2062 53.485
2063 53.268
2064 53.053
2065 52.845
2066 52.714
2067 52.575
2068 52.437
2069 52.313
2070 52.208
2071 52.181
2072 52.157
2073 52.14
2074 52.133
2075 52.141
2076 52.221
2077 52.297
2078 52.371
2079 52.441
2080 52.506
2081 52.615
2082 52.709
2083 52.79
2084 52.863
2085 52.93
2086 53.034
2087 53.122
2088 53.2
2089 53.275
2090 53.353
2091 53.475
2092 53.589
2093 53.703
2094 53.823
2095 53.954
2096 54.122
2097 54.292
2098 54.469
2099 54.658
2100 54.861