Year	Number
1971	6
1973	5
1974	12
1975	15
1977	13
1978	22
1981	28
1985	34
1994	64
1999	75
2000	81
2003	89
2014	120
2015	127
2016	118
2017	170
2018	151
2020	164
2021	152
2022	159