Year | Value | 2023 | 375,550 | 2022 | 369,062 | 2021 | 372,940 | 2020 | 378,901 | 2019 | 391,142 | 2018 | 406,315 | 2017 | 424,636 | 2016 | 440,931 | 2015 | 451,802 | 2014 | 453,515 | 2013 | 448,299 | 2012 | 442,709 | 2011 | 437,285 | 2010 | 429,662 | 2009 | 421,132 | 2008 | 414,384 | 2007 | 410,530 | 2006 | 405,414 | 2005 | 398,371 | 2004 | 392,985 | 2003 | 387,363 | 2002 | 381,155 | 2001 | 378,330 | 2000 | 370,558 | 1999 | 354,577 | 1998 | 325,353 | 1997 | 283,099 | 1996 | 246,951 | 1995 | 224,771 | 1994 | 215,520 | 1993 | 231,522 | 1992 | 269,062 | 1991 | 302,333 | 1990 | 322,573 | 1989 | 328,799 | 1988 | 326,400 | 1987 | 319,446 | 1986 | 310,643 | 1985 | 302,646 | 1984 | 294,438 | 1983 | 287,968 | 1982 | 280,550 | 1981 | 271,716 | 1980 | 268,611 | 1979 | 263,924 | 1978 | 250,228 | 1977 | 235,407 | 1976 | 224,239 | 1975 | 209,672 | 1974 | 196,891 |
|