Year | Value | 2023 | 48,277,271 | 2022 | 48,897,197 | 2021 | 48,860,362 | 2020 | 49,251,678 | 2019 | 49,576,679 | 2018 | 49,619,778 | 2017 | 49,693,005 | 2016 | 49,318,573 | 2015 | 49,475,467 | 2014 | 49,568,737 | 2013 | 49,254,837 | 2012 | 49,214,544 | 2011 | 48,964,338 | 2010 | 49,219,183 | 2009 | 49,067,599 | 2008 | 48,987,664 | 2007 | 48,866,290 | 2006 | 48,843,159 | 2005 | 48,761,162 | 2004 | 48,857,006 | 2003 | 48,926,879 | 2002 | 49,304,975 | 2001 | 50,757,592 | 2000 | 50,984,065 | 1999 | 51,043,679 | 1998 | 51,070,670 | 1997 | 51,213,450 | 1996 | 51,231,443 | 1995 | 51,840,322 | 1994 | 52,147,453 | 1993 | 52,384,290 | 1992 | 52,665,175 | 1991 | 52,664,029 |
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