Year	Number
1966	300
1967	300
1968	430
1969	400
1970	400
2001	5
2002	5
2003	7
2004	5
2006	34
2007	28
2008	27
2009	22
2010	22
2011	22
2012	22
2013	22
2014	27
2015	27
2016	10
2017	5
2018	10
2019	10
2020	5
2021	10
2022	20
2023	19