| Year | Value | | 2024 | 1,272,491 | | 2023 | 1,251,217 | | 2022 | 1,232,604 | | 2021 | 1,226,836 | | 2020 | 1,241,789 | | 2019 | 1,265,960 | | 2018 | 1,299,325 | | 2017 | 1,336,242 | | 2016 | 1,369,336 | | 2015 | 1,387,089 | | 2014 | 1,389,656 | | 2013 | 1,375,707 | | 2012 | 1,356,900 | | 2011 | 1,335,046 | | 2010 | 1,312,088 | | 2009 | 1,288,017 | | 2008 | 1,262,870 | | 2007 | 1,233,344 | | 2006 | 1,200,490 | | 2005 | 1,164,706 | | 2004 | 1,129,065 | | 2003 | 1,097,505 | | 2002 | 1,075,188 | | 2001 | 1,052,724 | | 2000 | 1,019,080 | | 1999 | 977,383 | | 1998 | 933,883 | | 1997 | 885,074 | | 1996 | 834,138 | | 1995 | 792,846 | | 1994 | 759,141 | | 1993 | 725,591 | | 1992 | 693,990 | | 1991 | 667,362 | | 1990 | 647,367 | | 1989 | 632,371 | | 1988 | 621,393 | | 1987 | 619,062 | | 1986 | 619,630 | | 1985 | 622,303 | | 1984 | 625,349 | | 1983 | 627,125 | | 1982 | 626,580 | | 1981 | 623,993 | | 1980 | 621,791 | | 1979 | 620,491 | | 1978 | 622,238 | | 1977 | 624,772 | | 1976 | 624,851 | | 1975 | 618,967 |
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