Year	Number of
2000	14000
2001	15000
2002	14000
2003	13000
2004	16000
2005	18000
2006	15000
2007	19000
2008	21000
2009	22000
2010	25000
2011	24000
2012	25000
2013	23000
2014	26000
2015	24000
2016	25000
2017	29000
2018	22000
2019	20000
2020	21000