| Year | Value | | 2024 | 7,929,088 | | 2023 | 7,780,934 | | 2022 | 7,642,717 | | 2021 | 7,505,482 | | 2020 | 7,370,588 | | 2019 | 7,243,442 | | 2018 | 7,125,471 | | 2017 | 7,015,107 | | 2016 | 6,909,792 | | 2015 | 6,810,139 | | 2014 | 6,715,517 | | 2013 | 6,619,848 | | 2012 | 6,531,926 | | 2011 | 6,435,375 | | 2010 | 6,325,021 | | 2009 | 6,225,578 | | 2008 | 6,140,465 | | 2007 | 6,069,211 | | 2006 | 5,988,021 | | 2005 | 5,916,178 | | 2004 | 5,867,366 | | 2003 | 5,808,274 | | 2002 | 5,741,030 | | 2001 | 5,688,917 | | 2000 | 5,658,966 | | 1999 | 5,614,479 | | 1998 | 5,522,606 | | 1997 | 5,409,522 | | 1996 | 5,304,165 | | 1995 | 5,215,500 | | 1994 | 5,176,332 | | 1993 | 5,191,327 | | 1992 | 5,160,517 | | 1991 | 5,049,773 | | 1990 | 4,922,073 | | 1989 | 4,792,110 | | 1988 | 4,660,517 | | 1987 | 4,528,409 | | 1986 | 4,391,856 | | 1985 | 4,250,636 | | 1984 | 4,108,918 | | 1983 | 3,967,992 | | 1982 | 3,815,868 | | 1981 | 3,662,099 | | 1980 | 3,381,936 | | 1979 | 3,146,293 | | 1978 | 3,131,089 | | 1977 | 3,122,086 | | 1976 | 3,058,860 |
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