Year | Value | 2022 | 263,049 | 2021 | 266,918 | 2020 | 268,163 | 2019 | 265,108 | 2018 | 259,525 | 2017 | 250,586 | 2016 | 238,877 | 2015 | 230,343 | 2014 | 228,604 | 2013 | 232,562 | 2012 | 241,721 | 2011 | 252,053 | 2010 | 257,743 | 2009 | 259,274 | 2008 | 259,284 | 2007 | 258,740 | 2006 | 258,168 | 2005 | 257,228 | 2004 | 255,662 | 2003 | 253,582 | 2002 | 250,433 | 2001 | 245,236 | 2000 | 238,259 | 1999 | 229,900 | 1998 | 219,385 | 1997 | 207,211 | 1996 | 195,211 | 1995 | 184,089 | 1994 | 174,307 | 1993 | 166,258 | 1992 | 160,002 | 1991 | 155,535 | 1990 | 152,683 | 1989 | 152,267 | 1988 | 154,313 | 1987 | 157,774 | 1986 | 161,860 | 1985 | 165,429 | 1984 | 167,677 | 1983 | 168,433 | 1982 | 167,791 | 1981 | 166,224 | 1980 | 163,834 | 1979 | 160,936 | 1978 | 157,180 | 1977 | 153,230 | 1976 | 148,949 | 1975 | 143,520 | 1974 | 138,240 | 1973 | 133,255 | 1972 | 127,582 | 1971 | 121,079 | 1970 | 114,636 | 1969 | 108,552 | 1968 | 102,714 | 1967 | 97,231 | 1966 | 92,380 | 1965 | 88,624 | 1964 | 86,264 | 1963 | 84,762 | 1962 | 83,665 | 1961 | 82,558 | 1960 | 81,361 |
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