Year	Number of
2000	53000
2001	53000
2002	53000
2003	53000
2004	53000
2005	51000
2006	50000
2007	50000
2008	49000
2009	49000
2010	48000
2011	48000
2012	48000
2013	48000
2014	49000
2015	46000
2016	46000
2017	45000
2018	44000
2019	44000
2020	46000