Year | Value | 2022 | 173,401 | 2021 | 173,786 | 2020 | 172,973 | 2019 | 174,039 | 2018 | 176,972 | 2017 | 179,754 | 2016 | 181,581 | 2015 | 183,014 | 2014 | 183,200 | 2013 | 183,401 | 2012 | 185,863 | 2011 | 189,318 | 2010 | 192,361 | 2009 | 195,248 | 2008 | 197,086 | 2007 | 197,392 | 2006 | 196,435 | 2005 | 194,141 | 2004 | 189,837 | 2003 | 184,173 | 2002 | 177,612 | 2001 | 168,334 | 2000 | 157,385 | 1999 | 148,320 | 1998 | 140,427 | 1997 | 132,553 | 1996 | 127,487 | 1995 | 125,992 | 1994 | 124,468 | 1993 | 121,998 | 1992 | 120,113 | 1991 | 118,527 | 1990 | 117,156 | 1989 | 116,623 | 1988 | 117,348 | 1987 | 119,534 | 1986 | 122,914 | 1985 | 126,150 | 1984 | 128,728 | 1983 | 130,759 | 1982 | 131,545 | 1981 | 131,487 | 1980 | 131,424 | 1979 | 131,715 | 1978 | 133,384 | 1977 | 135,579 | 1976 | 137,286 | 1975 | 137,280 | 1974 | 134,366 | 1973 | 123,420 | 1972 | 106,296 | 1971 | 90,200 | 1970 | 79,187 | 1969 | 76,781 | 1968 | 84,056 | 1967 | 97,035 | 1966 | 109,179 | 1965 | 118,187 | 1964 | 122,005 | 1963 | 122,725 | 1962 | 122,266 | 1961 | 120,583 | 1960 | 116,221 |
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