| Year | Value | | 2024 | 2,013,588 | | 2023 | 1,977,390 | | 2022 | 1,945,474 | | 2021 | 1,914,546 | | 2020 | 1,880,920 | | 2019 | 1,837,554 | | 2018 | 1,781,925 | | 2017 | 1,723,533 | | 2016 | 1,675,982 | | 2015 | 1,640,764 | | 2014 | 1,611,281 | | 2013 | 1,585,242 | | 2012 | 1,560,909 | | 2011 | 1,539,486 | | 2010 | 1,524,245 | | 2009 | 1,515,902 | | 2008 | 1,513,709 | | 2007 | 1,515,265 | | 2006 | 1,517,282 | | 2005 | 1,517,481 | | 2004 | 1,513,998 | | 2003 | 1,505,340 | | 2002 | 1,490,487 | | 2001 | 1,469,002 | | 2000 | 1,441,178 | | 1999 | 1,407,297 | | 1998 | 1,368,238 | | 1997 | 1,325,874 | | 1996 | 1,281,613 | | 1995 | 1,236,090 | | 1994 | 1,189,693 | | 1993 | 1,143,248 | | 1992 | 1,097,271 | | 1991 | 1,052,465 | | 1990 | 1,008,691 | | 1989 | 966,397 | | 1988 | 922,588 | | 1987 | 877,897 | | 1986 | 836,963 | | 1985 | 798,088 | | 1984 | 759,472 | | 1983 | 725,365 | | 1982 | 696,102 | | 1981 | 667,449 | | 1980 | 639,864 | | 1979 | 614,091 | | 1978 | 590,514 | | 1977 | 569,077 | | 1976 | 550,928 | | 1975 | 535,728 |
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