Year	Number
2000	10000
2001	10000
2002	10000
2003	11000
2004	11000
2005	11000
2006	11000
2007	11000
2008	11000
2009	11000
2010	12000
2011	12000
2012	12000
2013	12000
2014	13000
2015	13000
2016	13000
2017	13000
2018	14000
2019	14000
2020	14000
