| Year | Value | | 2024 | 1,305,716 | | 2023 | 1,262,023 | | 2022 | 1,224,072 | | 2021 | 1,204,884 | | 2020 | 1,207,130 | | 2019 | 1,209,637 | | 2018 | 1,212,039 | | 2017 | 1,216,509 | | 2016 | 1,223,078 | | 2015 | 1,233,181 | | 2014 | 1,258,336 | | 2013 | 1,291,006 | | 2012 | 1,325,576 | | 2011 | 1,356,178 | | 2010 | 1,378,748 | | 2009 | 1,381,942 | | 2008 | 1,368,714 | | 2007 | 1,349,481 | | 2006 | 1,329,570 | | 2005 | 1,307,919 | | 2004 | 1,286,974 | | 2003 | 1,263,283 | | 2002 | 1,233,506 | | 2001 | 1,198,187 | | 2000 | 1,162,875 | | 1999 | 1,128,699 | | 1998 | 1,098,623 | | 1997 | 1,076,922 | | 1996 | 1,056,004 | | 1995 | 1,024,076 | | 1994 | 982,186 | | 1993 | 936,382 | | 1992 | 886,171 | | 1991 | 834,699 | | 1990 | 792,719 | | 1989 | 757,260 | | 1988 | 720,499 | | 1987 | 688,369 | | 1986 | 662,149 | | 1985 | 645,641 | | 1984 | 634,444 | | 1983 | 626,686 | | 1982 | 623,578 | | 1981 | 623,098 | | 1980 | 624,442 | | 1979 | 626,368 | | 1978 | 628,292 | | 1977 | 627,855 | | 1976 | 626,999 | | 1975 | 627,193 |
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