Year | Value | 2023 | 622,956 | 2022 | 646,420 | 2021 | 673,534 | 2020 | 691,196 | 2019 | 702,013 | 2018 | 710,188 | 2017 | 717,426 | 2016 | 722,536 | 2015 | 726,043 | 2014 | 728,595 | 2013 | 725,437 | 2012 | 714,216 | 2011 | 696,222 | 2010 | 672,914 | 2009 | 635,238 | 2008 | 575,376 | 2007 | 503,241 | 2006 | 438,227 | 2005 | 387,740 | 2004 | 359,942 | 2003 | 367,425 | 2002 | 402,484 | 2001 | 442,033 | 2000 | 474,058 | 1999 | 498,487 | 1998 | 504,701 | 1997 | 499,888 | 1996 | 495,241 | 1995 | 488,684 | 1994 | 480,627 | 1993 | 459,264 | 1992 | 420,137 | 1991 | 389,087 | 1990 | 371,161 | 1989 | 353,003 | 1988 | 339,142 | 1987 | 325,171 | 1986 | 306,136 | 1985 | 287,935 | 1984 | 271,716 | 1983 | 252,001 | 1982 | 229,245 | 1981 | 206,445 | 1980 | 192,914 | 1979 | 181,023 | 1978 | 170,673 | 1977 | 169,158 | 1976 | 174,337 | 1975 | 194,262 | 1974 | 206,929 |
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