| Year | Value | | 2024 | 1,278,510 | | 2023 | 1,234,993 | | 2022 | 1,198,177 | | 2021 | 1,181,429 | | 2020 | 1,186,692 | | 2019 | 1,192,492 | | 2018 | 1,197,557 | | 2017 | 1,203,888 | | 2016 | 1,213,366 | | 2015 | 1,228,464 | | 2014 | 1,259,862 | | 2013 | 1,299,135 | | 2012 | 1,339,762 | | 2011 | 1,374,265 | | 2010 | 1,397,845 | | 2009 | 1,399,817 | | 2008 | 1,383,471 | | 2007 | 1,359,828 | | 2006 | 1,335,034 | | 2005 | 1,308,176 | | 2004 | 1,282,017 | | 2003 | 1,253,321 | | 2002 | 1,219,307 | | 2001 | 1,181,734 | | 2000 | 1,146,891 | | 1999 | 1,115,696 | | 1998 | 1,090,107 | | 1997 | 1,072,236 | | 1996 | 1,053,144 | | 1995 | 1,022,589 | | 1994 | 983,303 | | 1993 | 941,126 | | 1992 | 894,775 | | 1991 | 846,449 | | 1990 | 805,878 | | 1989 | 770,404 | | 1988 | 733,129 | | 1987 | 700,171 | | 1986 | 673,245 | | 1985 | 657,313 | | 1984 | 647,694 | | 1983 | 641,704 | | 1982 | 640,575 | | 1981 | 642,149 | | 1980 | 645,165 | | 1979 | 647,939 | | 1978 | 649,394 | | 1977 | 646,547 | | 1976 | 641,407 | | 1975 | 636,405 |
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