Year	Number
1974	31
1976	55
1977	64
1980	60
1981	114
1999	109
2000	137
2001	138
2002	129
2004	128
2005	144
2006	184
2008	222
2011	176
2012	422
2018	215
2019	214.800003051758
2020	235.300003051758
2021	227.350006103516
2022	244
