| Year | Value | | 2024 | 1,877,917 | | 2023 | 1,898,832 | | 2022 | 1,923,745 | | 2021 | 1,931,744 | | 2020 | 1,932,634 | | 2019 | 2,057,566 | | 2018 | 2,073,285 | | 2017 | 2,073,790 | | 2016 | 2,070,700 | | 2015 | 2,067,893 | | 2014 | 2,044,203 | | 2013 | 2,034,114 | | 2012 | 2,014,812 | | 2011 | 1,993,510 | | 2010 | 1,972,423 | | 2009 | 1,990,006 | | 2008 | 1,926,061 | | 2007 | 1,897,844 | | 2006 | 1,854,752 | | 2005 | 1,790,637 | | 2004 | 1,730,157 | | 2003 | 1,693,372 | | 2002 | 1,665,020 | | 2001 | 1,645,808 | | 2000 | 1,617,782 | | 1999 | 1,577,482 | | 1998 | 1,535,503 | | 1997 | 1,519,166 | | 1996 | 1,494,342 | | 1995 | 1,452,108 | | 1994 | 1,433,435 | | 1993 | 1,423,112 | | 1992 | 1,485,442 | | 1991 | 1,530,084 | | 1990 | 1,567,582 |
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