Year | Value | 2023 | 35,983,053 | 2022 | 34,812,162 | 2021 | 33,694,649 | 2020 | 32,441,900 | 2019 | 31,747,599 | 2018 | 30,825,948 | 2017 | 29,889,010 | 2016 | 28,894,272 | 2015 | 27,914,047 | 2014 | 27,012,080 | 2013 | 26,115,602 | 2012 | 25,253,938 | 2011 | 24,786,531 | 2010 | 24,288,870 | 2009 | 23,839,481 | 2008 | 23,426,253 | 2007 | 22,999,271 | 2006 | 22,552,695 | 2005 | 22,106,983 | 2004 | 21,419,640 | 2003 | 20,794,681 | 2002 | 20,197,604 | 2001 | 19,577,783 | 2000 | 18,989,608 | 1999 | 18,473,951 | 1998 | 17,991,366 | 1997 | 17,677,036 | 1996 | 17,614,470 | 1995 | 17,476,246 | 1994 | 16,715,580 | 1993 | 15,806,674 | 1992 | 15,322,985 | 1991 | 14,897,811 |
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