Year | Value | 2023 | 571,602 | 2022 | 563,858 | 2021 | 556,130 | 2020 | 548,317 | 2019 | 540,277 | 2018 | 532,032 | 2017 | 523,678 | 2016 | 515,247 | 2015 | 506,738 | 2014 | 498,099 | 2013 | 489,296 | 2012 | 480,386 | 2011 | 471,410 | 2010 | 462,375 | 2009 | 453,134 | 2008 | 443,866 | 2007 | 434,897 | 2006 | 425,642 | 2005 | 417,458 | 2004 | 411,031 | 2003 | 404,786 | 2002 | 395,834 | 2001 | 383,697 | 2000 | 371,669 | 1999 | 360,084 | 1998 | 347,622 | 1997 | 333,829 | 1996 | 322,070 | 1995 | 314,401 | 1994 | 311,175 | 1993 | 304,928 | 1992 | 310,829 | 1991 | 313,450 | 1990 | 287,836 | 1989 | 259,887 | 1988 | 240,559 | 1987 | 225,555 | 1986 | 211,582 | 1985 | 199,802 | 1984 | 190,522 | 1983 | 183,299 | 1982 | 176,982 | 1981 | 170,088 | 1980 | 161,514 | 1979 | 150,929 | 1978 | 138,770 | 1977 | 126,152 | 1976 | 114,303 | 1975 | 103,965 | 1974 | 95,384 |
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