| Year | Value | | 2023 | 5,404,325 | | 2022 | 5,372,821 | | 2021 | 5,279,722 | | 2020 | 5,375,292 | | 2019 | 5,421,467 | | 2018 | 5,425,122 | | 2017 | 5,386,053 | | 2016 | 5,354,440 | | 2015 | 5,309,480 | | 2014 | 5,300,088 | | 2013 | 5,302,824 | | 2012 | 5,254,149 | | 2011 | 5,222,763 | | 2010 | 5,239,650 | | 2009 | 5,255,696 | | 2008 | 5,211,811 | | 2007 | 5,188,504 | | 2006 | 5,191,044 | | 2005 | 5,169,750 | | 2004 | 5,128,993 | | 2003 | 5,128,108 | | 2002 | 5,137,228 | | 2001 | 5,144,304 | | 2000 | 5,174,186 | | 1999 | 5,213,392 | | 1998 | 5,195,988 | | 1997 | 5,178,965 | | 1996 | 5,168,271 | | 1995 | 5,166,080 | | 1994 | 5,143,884 | | 1993 | 5,089,950 | | 1992 | 5,050,291 | | 1991 | 5,010,379 |
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