| Year | Value | | 2024 | 1,294,381 | | 2023 | 1,244,364 | | 2022 | 1,193,084 | | 2021 | 1,149,369 | | 2020 | 1,116,428 | | 2019 | 1,080,077 | | 2018 | 1,046,635 | | 2017 | 1,022,294 | | 2016 | 1,001,177 | | 2015 | 969,111 | | 2014 | 930,692 | | 2013 | 887,244 | | 2012 | 839,122 | | 2011 | 791,185 | | 2010 | 754,399 | | 2009 | 723,693 | | 2008 | 693,119 | | 2007 | 663,929 | | 2006 | 639,169 | | 2005 | 619,993 | | 2004 | 606,690 | | 2003 | 597,104 | | 2002 | 592,382 | | 2001 | 591,128 | | 2000 | 591,736 | | 1999 | 593,378 | | 1998 | 594,424 | | 1997 | 593,306 | | 1996 | 590,406 | | 1995 | 588,036 | | 1994 | 587,371 | | 1993 | 587,269 | | 1992 | 587,253 | | 1991 | 586,142 | | 1990 | 581,853 | | 1989 | 570,520 | | 1988 | 550,814 | | 1987 | 529,384 | | 1986 | 506,416 | | 1985 | 486,621 | | 1984 | 473,331 | | 1983 | 467,260 | | 1982 | 463,222 | | 1981 | 455,738 | | 1980 | 444,230 | | 1979 | 428,930 | | 1978 | 413,973 | | 1977 | 399,792 | | 1976 | 385,001 | | 1975 | 370,878 |
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