| Year | Value | | 2023 | 1,430,983 | | 2022 | 1,462,538 | | 2021 | 1,507,784 | | 2020 | 1,524,139 | | 2019 | 1,566,405 | | 2018 | 1,544,147 | | 2017 | 1,565,102 | | 2016 | 1,517,821 | | 2015 | 1,557,412 | | 2014 | 1,568,823 | | 2013 | 1,576,739 | | 2012 | 1,564,435 | | 2011 | 1,555,869 | | 2010 | 1,587,705 | | 2009 | 1,592,455 | | 2008 | 1,632,758 | | 2007 | 1,616,375 | | 2006 | 1,589,760 | | 2005 | 1,532,459 | | 2004 | 1,575,575 | | 2003 | 1,558,133 | | 2002 | 1,607,786 | | 2001 | 1,649,145 | | 2000 | 1,609,297 | | 1999 | 1,650,156 | | 1998 | 1,690,381 | | 1997 | 1,731,144 | | 1996 | 1,771,106 | | 1995 | 1,808,885 | | 1994 | 1,844,290 | | 1993 | 1,877,639 | | 1992 | 1,919,980 | | 1991 | 1,919,737 |
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