Year | Value | 2023 | 320,145 | 2022 | 328,102 | 2021 | 334,142 | 2020 | 337,627 | 2019 | 339,821 | 2018 | 341,310 | 2017 | 342,346 | 2016 | 342,808 | 2015 | 342,033 | 2014 | 338,930 | 2013 | 332,489 | 2012 | 321,979 | 2011 | 307,109 | 2010 | 288,508 | 2009 | 267,693 | 2008 | 244,609 | 2007 | 223,222 | 2006 | 205,875 | 2005 | 190,672 | 2004 | 177,570 | 2003 | 166,304 | 2002 | 155,400 | 2001 | 142,610 | 2000 | 127,272 | 1999 | 110,937 | 1998 | 96,586 | 1997 | 87,697 | 1996 | 87,578 | 1995 | 97,683 | 1994 | 116,647 | 1993 | 140,133 | 1992 | 161,890 | 1991 | 177,474 | 1990 | 185,433 | 1989 | 184,879 | 1988 | 178,352 | 1987 | 169,512 | 1986 | 159,941 | 1985 | 153,007 | 1984 | 150,705 | 1983 | 150,959 | 1982 | 150,557 | 1981 | 147,943 | 1980 | 142,897 | 1979 | 135,703 | 1978 | 126,386 | 1977 | 116,578 | 1976 | 107,916 | 1975 | 100,308 | 1974 | 93,588 |
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