| Year | Value | | 2023 | 5,345,459 | | 2022 | 5,295,941 | | 2021 | 5,190,888 | | 2020 | 5,166,305 | | 2019 | 5,264,058 | | 2018 | 5,242,420 | | 2017 | 5,226,891 | | 2016 | 5,187,357 | | 2015 | 5,204,013 | | 2014 | 5,231,791 | | 2013 | 5,289,169 | | 2012 | 5,385,170 | | 2011 | 5,428,758 | | 2010 | 5,491,635 | | 2009 | 5,490,080 | | 2008 | 5,535,756 | | 2007 | 5,534,266 | | 2006 | 5,500,215 | | 2005 | 5,464,806 | | 2004 | 5,418,926 | | 2003 | 5,442,325 | | 2002 | 5,419,875 | | 2001 | 5,335,194 | | 2000 | 5,232,792 | | 1999 | 5,171,215 | | 1998 | 5,123,546 | | 1997 | 4,842,322 | | 1996 | 4,800,748 | | 1995 | 4,795,957 | | 1994 | 4,780,575 | | 1993 | 4,771,722 | | 1992 | 4,787,807 | | 1991 | 4,842,513 |
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