Year | Value | 2023 | 3,228,808 | 2022 | 3,167,368 | 2021 | 3,042,793 | 2020 | 2,981,624 | 2019 | 2,931,028 | 2018 | 2,858,747 | 2017 | 2,774,084 | 2016 | 2,697,995 | 2015 | 2,626,351 | 2014 | 2,557,241 | 2013 | 2,501,036 | 2012 | 2,427,646 | 2011 | 2,356,040 | 2010 | 2,277,473 | 2009 | 2,318,777 | 2008 | 2,353,265 | 2007 | 2,381,204 | 2006 | 2,402,441 | 2005 | 2,416,370 | 2004 | 2,422,895 | 2003 | 2,422,277 | 2002 | 2,414,911 | 2001 | 2,401,074 | 2000 | 2,381,363 | 1999 | 2,283,025 | 1998 | 2,195,385 | 1997 | 2,100,314 | 1996 | 2,008,253 | 1995 | 1,937,095 | 1994 | 1,851,621 | 1993 | 1,782,355 | 1992 | 1,730,661 | 1991 | 1,677,284 |
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