Year | Value | 2022 | 243,512 | 2021 | 238,922 | 2020 | 251,113 | 2019 | 252,756 | 2018 | 250,059 | 2017 | 248,844 | 2016 | 249,248 | 2015 | 247,823 | 2014 | 248,237 | 2013 | 249,996 | 2012 | 251,877 | 2011 | 251,526 | 2010 | 250,884 | 2009 | 248,429 | 2008 | 240,964 | 2007 | 227,484 | 2006 | 216,212 | 2005 | 206,701 | 2004 | 198,974 | 2003 | 193,357 | 2002 | 192,406 | 2001 | 186,908 | 2000 | 177,687 | 1999 | 169,074 | 1998 | 161,592 | 1997 | 150,054 | 1996 | 138,619 | 1995 | 126,084 | 1994 | 114,078 | 1993 | 101,392 | 1992 | 90,024 | 1991 | 79,556 | 1990 | 70,914 | 1989 | 64,636 | 1988 | 62,436 | 1987 | 62,691 | 1986 | 64,594 | 1985 | 67,144 | 1984 | 67,598 | 1983 | 65,012 | 1982 | 62,654 | 1981 | 59,164 | 1980 | 55,982 | 1979 | 55,251 | 1978 | 54,884 | 1977 | 54,326 | 1976 | 53,274 | 1975 | 51,839 | 1974 | 50,023 | 1973 | 48,162 | 1972 | 46,541 | 1971 | 45,241 | 1970 | 44,258 | 1969 | 43,748 | 1968 | 43,479 | 1967 | 43,286 | 1966 | 43,056 | 1965 | 42,652 | 1964 | 42,316 | 1963 | 42,098 | 1962 | 41,821 | 1961 | 41,301 | 1960 | 40,510 |
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