Year | Value | 2022 | 328,709 | 2021 | 322,141 | 2020 | 317,212 | 2019 | 311,845 | 2018 | 305,653 | 2017 | 299,619 | 2016 | 292,233 | 2015 | 285,650 | 2014 | 278,610 | 2013 | 271,828 | 2012 | 265,181 | 2011 | 258,327 | 2010 | 252,173 | 2009 | 247,284 | 2008 | 242,384 | 2007 | 237,883 | 2006 | 234,135 | 2005 | 230,296 | 2004 | 226,576 | 2003 | 222,984 | 2002 | 220,026 | 2001 | 217,664 | 2000 | 215,218 | 1999 | 212,404 | 1998 | 209,265 | 1997 | 206,406 | 1996 | 203,711 | 1995 | 200,935 | 1994 | 198,196 | 1993 | 195,526 | 1992 | 192,813 | 1991 | 190,037 | 1990 | 187,088 | 1989 | 184,305 | 1988 | 182,158 | 1987 | 180,589 | 1986 | 179,262 | 1985 | 178,400 | 1984 | 178,017 | 1983 | 177,850 | 1982 | 178,028 | 1981 | 178,158 | 1980 | 177,856 | 1979 | 177,470 | 1978 | 177,279 | 1977 | 177,156 | 1976 | 177,052 | 1975 | 176,341 | 1974 | 174,562 | 1973 | 172,485 | 1972 | 170,508 | 1971 | 168,022 | 1970 | 166,309 | 1969 | 165,651 | 1968 | 164,937 | 1967 | 164,612 | 1966 | 164,203 | 1965 | 163,183 | 1964 | 161,462 | 1963 | 159,739 | 1962 | 158,189 | 1961 | 156,384 | 1960 | 155,086 |
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