| Year | Value | | 2024 | 5,028,403 | | 2023 | 5,009,964 | | 2022 | 5,012,404 | | 2021 | 4,843,562 | | 2020 | 5,197,914 | | 2019 | 4,998,234 | | 2018 | 4,955,866 | | 2017 | 4,876,185 | | 2016 | 4,809,412 | | 2015 | 4,693,026 | | 2014 | 4,602,987 | | 2013 | 4,508,074 | | 2012 | 4,449,918 | | 2011 | 4,368,984 | | 2010 | 4,281,288 | | 2009 | 4,219,228 | | 2008 | 4,094,522 | | 2007 | 4,042,762 | | 2006 | 4,157,327 | | 2005 | 4,180,297 | | 2004 | 4,179,032 | | 2003 | 4,242,455 | | 2002 | 4,260,614 | | 2001 | 4,283,030 | | 2000 | 4,306,234 | | 1999 | 4,257,576 | | 1998 | 4,195,469 | | 1997 | 4,155,540 | | 1996 | 4,107,878 | | 1995 | 4,043,898 | | 1994 | 3,912,686 | | 1993 | 3,748,231 | | 1992 | 3,585,570 | | 1991 | 3,450,142 | | 1990 | 3,409,093 |
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