Year	Number
2000	164000
2001	159000
2002	145000
2003	137000
2004	133000
2005	126000
2006	113000
2007	108000
2008	104000
2009	98000
2010	88000
2011	85000
2012	79000
2013	75000
2014	68000
2015	66000
2016	63000
2017	61000
2018	58000
2019	56000
2020	53000