| Year | Value | | 2024 | 1,791,144 | | 2023 | 1,721,670 | | 2022 | 1,657,379 | | 2021 | 1,609,744 | | 2020 | 1,576,929 | | 2019 | 1,533,597 | | 2018 | 1,478,940 | | 2017 | 1,427,435 | | 2016 | 1,380,407 | | 2015 | 1,335,242 | | 2014 | 1,290,872 | | 2013 | 1,248,450 | | 2012 | 1,206,865 | | 2011 | 1,166,299 | | 2010 | 1,129,468 | | 2009 | 1,096,878 | | 2008 | 1,066,688 | | 2007 | 1,037,948 | | 2006 | 1,009,883 | | 2005 | 980,837 | | 2004 | 949,492 | | 2003 | 916,613 | | 2002 | 884,365 | | 2001 | 852,565 | | 2000 | 821,360 | | 1999 | 792,499 | | 1998 | 765,667 | | 1997 | 739,708 | | 1996 | 715,143 | | 1995 | 692,562 | | 1994 | 670,059 | | 1993 | 646,449 | | 1992 | 622,961 | | 1991 | 599,651 | | 1990 | 575,724 | | 1989 | 550,966 | | 1988 | 525,704 | | 1987 | 500,484 | | 1986 | 476,599 | | 1985 | 455,842 | | 1984 | 437,746 | | 1983 | 420,896 | | 1982 | 405,165 | | 1981 | 390,463 | | 1980 | 379,375 | | 1979 | 371,968 | | 1978 | 365,275 | | 1977 | 358,925 | | 1976 | 352,173 | | 1975 | 344,249 |
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