Year | Value | 2022 | 234,183 | 2021 | 227,847 | 2020 | 223,736 | 2019 | 222,101 | 2018 | 221,771 | 2017 | 222,199 | 2016 | 223,119 | 2015 | 223,030 | 2014 | 221,207 | 2013 | 218,474 | 2012 | 214,345 | 2011 | 208,704 | 2010 | 202,124 | 2009 | 195,259 | 2008 | 187,779 | 2007 | 180,714 | 2006 | 175,386 | 2005 | 172,552 | 2004 | 171,015 | 2003 | 169,856 | 2002 | 169,553 | 2001 | 169,289 | 2000 | 168,703 | 1999 | 168,135 | 1998 | 167,372 | 1997 | 166,520 | 1996 | 166,014 | 1995 | 165,636 | 1994 | 165,252 | 1993 | 165,163 | 1992 | 165,000 | 1991 | 165,154 | 1990 | 164,908 | 1989 | 162,030 | 1988 | 156,848 | 1987 | 151,307 | 1986 | 145,429 | 1985 | 140,076 | 1984 | 139,275 | 1983 | 142,722 | 1982 | 147,213 | 1981 | 151,827 | 1980 | 155,968 | 1979 | 158,377 | 1978 | 159,500 | 1977 | 160,000 | 1976 | 159,598 | 1975 | 158,875 | 1974 | 157,312 | 1973 | 154,518 | 1972 | 151,951 | 1971 | 150,650 | 1970 | 148,837 | 1969 | 146,523 | 1968 | 144,391 | 1967 | 141,390 | 1966 | 137,587 | 1965 | 133,765 | 1964 | 129,950 | 1963 | 126,359 | 1962 | 123,041 | 1961 | 119,605 | 1960 | 116,042 |
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