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Historical Values
Year Value
1996 11 (1995 est.)
1997 12 (1996 est.)
1998 14 (1997 est.)
1999 14 (1998 est.)
2000 14 (1999 est.)
2001 16 (2000 est.)
2002 15 (2002)
2003 15 (2002)
2004 15 (2003 est.)
2005 15 (2004 est.)
2006 15 (2006)
2007 14 (2007)
2008 14 (2007)
2009 15 (2009)
2010 15 (2010)
2011 15 (2010)
2012 15 (2012)
2013 16 (2013)
2014 16 (2013)
2015 16 (2013)
2016 16 (2013)
2017 16 (2013)
2018 16 (2013)
2019 16 (2013)
2020 16 (2013)
2021 16 (2013)
2022 16 (2021)
2023 16 (2021)
2024 2,839 (2024)
2025 3,036 (2025)