Year	Number
1977	88
1980	112
1999	209
2000	237
2001	234
2002	240
2004	251
2005	253
2006	286
2007	335
2008	309
2011	330
2012	303
2013	303
2018	273
2019	306.799987792969
2020	346.899993896484
2021	333.200012207031
2022	351