Year	Number
1971	1118
1972	1315
1973	1330
1974	1392
1985	1451
1998	1663
2000	1589
2001	1618
2002	1566
2003	1375
2004	1529
2005	1812
2006	1393
2007	1235
2008	1254
2012	1304
2014	1578
2015	1508
2016	1808
2019	1856
2020	1475
2022	1896