Year	Number of
2000	142000
2001	171000
2002	165000
2003	186000
2004	189000
2005	211000
2006	207000
2007	207000
2008	195000
2009	187000
2010	184000
2011	111000
2012	85000
2013	74000
2014	68000
2015	64000
2016	63000
2017	61000
2018	59000
2019	58000
2020	61000