Year | Value | 2022 | 304,688 | 2021 | 312,365 | 2020 | 310,522 | 2019 | 307,451 | 2018 | 304,346 | 2017 | 301,858 | 2016 | 299,035 | 2015 | 296,350 | 2014 | 293,538 | 2013 | 289,357 | 2012 | 284,872 | 2011 | 280,590 | 2010 | 273,775 | 2009 | 265,759 | 2008 | 257,562 | 2007 | 249,841 | 2006 | 241,735 | 2005 | 232,455 | 2004 | 224,321 | 2003 | 216,308 | 2002 | 205,886 | 2001 | 194,294 | 2000 | 183,310 | 1999 | 175,509 | 1998 | 177,544 | 1997 | 186,879 | 1996 | 197,483 | 1995 | 205,918 | 1994 | 205,624 | 1993 | 200,124 | 1992 | 194,005 | 1991 | 187,791 | 1990 | 182,147 | 1989 | 177,424 | 1988 | 172,198 | 1987 | 166,092 | 1986 | 161,584 | 1985 | 158,612 | 1984 | 155,886 | 1983 | 152,851 | 1982 | 149,300 | 1981 | 145,359 | 1980 | 141,376 | 1979 | 136,763 | 1978 | 132,370 | 1977 | 127,673 | 1976 | 122,630 | 1975 | 118,084 | 1974 | 113,279 | 1973 | 108,267 | 1972 | 103,785 | 1971 | 100,294 | 1970 | 98,189 | 1969 | 95,883 | 1968 | 92,947 | 1967 | 90,047 | 1966 | 86,210 | 1965 | 82,777 | 1964 | 79,425 | 1963 | 75,032 | 1962 | 71,684 | 1961 | 68,869 | 1960 | 65,536 |
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