| Year | Value | | 2024 | 1,864,313 | | 2023 | 1,818,375 | | 2022 | 1,774,152 | | 2021 | 1,738,137 | | 2020 | 1,715,934 | | 2019 | 1,701,434 | | 2018 | 1,690,613 | | 2017 | 1,682,260 | | 2016 | 1,670,953 | | 2015 | 1,650,874 | | 2014 | 1,615,952 | | 2013 | 1,572,514 | | 2012 | 1,524,372 | | 2011 | 1,472,260 | | 2010 | 1,418,646 | | 2009 | 1,363,358 | | 2008 | 1,306,611 | | 2007 | 1,249,674 | | 2006 | 1,192,753 | | 2005 | 1,135,982 | | 2004 | 1,083,649 | | 2003 | 1,034,928 | | 2002 | 986,372 | | 2001 | 939,593 | | 2000 | 894,531 | | 1999 | 851,478 | | 1998 | 812,236 | | 1997 | 776,913 | | 1996 | 744,069 | | 1995 | 712,576 | | 1994 | 682,163 | | 1993 | 653,227 | | 1992 | 625,367 | | 1991 | 598,205 | | 1990 | 571,440 | | 1989 | 545,465 | | 1988 | 520,366 | | 1987 | 495,507 | | 1986 | 472,551 | | 1985 | 451,375 | | 1984 | 430,877 | | 1983 | 412,086 | | 1982 | 394,782 | | 1981 | 378,602 | | 1980 | 363,350 | | 1979 | 348,921 | | 1978 | 335,322 | | 1977 | 322,602 | | 1976 | 310,645 | | 1975 | 299,408 |
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