Year	Number of
2000	39
2001	39
2002	39
2003	39
2004	39
2005	39
2006	40
2007	41
2008	41
2009	42
2010	42
2011	42
2012	42
2013	43
2014	43
2015	43
2016	43
2017	43
2018	43
2019	43
2020	54