Year Number
1950 79.414
1951 80.68
1952 82.092
1953 83.028
1954 83.398
1955 83.39
1956 85.488
1957 86.642
1958 87.3
1959 87.86
1960 88.468
1961 90.101
1962 91.719
1963 93.135
1964 94
1965 94.177
1966 95.405
1967 95.836
1968 95.687
1969 95.293
1970 94.874
1971 95.6
1972 96.014
1973 96.212
1974 96.249
1975 96.173
1976 97.078
1977 97.676
1978 98.044
1979 98.261
1980 98.395
1981 99.419
1982 100.065
1983 100.423
1984 100.535
1985 100.377
1986 101.175
1987 101.653
1988 101.812
1989 101.695
1990 101.395
1991 101.921
1992 102.034
1993 101.851
1994 101.464
1995 100.901
1996 101.356
1997 101.517
1998 101.437
1999 101.208
2000 100.93
2001 101.5
2002 101.796
2003 101.912
2004 101.903
2005 101.781
2006 102.293
2007 102.564
2008 102.609
2009 102.429
2010 102.036
2011 102.107
2012 101.837
2013 101.315
2014 100.638
2015 99.856
2016 99.462
2017 98.919
2018 98.221
2019 97.356
2020 96.343
2021 95.727
2022 94.9
2023 93.93
2024 92.893
2025 91.833
2026 91.132
2027 90.336
2028 89.466
2029 88.531
2030 87.543
2031 86.833
2032 86.019
2033 85.127
2034 84.179
2035 83.189
2036 82.42
2037 81.565
2038 80.647
2039 79.687
2040 78.7
2041 77.89
2042 77.025
2043 76.119
2044 75.18
2045 74.218
2046 73.41
2047 72.556
2048 71.675
2049 70.783
2050 69.895
2051 69.142
2052 68.374
2053 67.599
2054 66.823
2055 66.053
2056 65.399
2057 64.733
2058 64.066
2059 63.408
2060 62.766
2061 62.22
2062 61.674
2063 61.134
2064 60.605
2065 60.092
2066 59.658
2067 59.226
2068 58.8
2069 58.385
2070 57.986
2071 57.653
2072 57.321
2073 56.994
2074 56.673
2075 56.361
2076 56.096
2077 55.829
2078 55.565
2079 55.31
2080 55.067
2081 54.867
2082 54.668
2083 54.475
2084 54.294
2085 54.13
2086 54
2087 53.876
2088 53.763
2089 53.662
2090 53.575
2091 53.523
2092 53.472
2093 53.43
2094 53.4
2095 53.386
2096 53.397
2097 53.413
2098 53.439
2099 53.474
2100 53.517