Year	Number
1971	17690
1972	19243
1975	29237
1977	33571
1978	33246
1979	34999
1980	35756
1981	37428
1982	38593
1983	39500
1996	81661
1999	99102
2000	92663
2001	89628
2002	89649
2004	84771
2005	84696
2006	85017
2007	93004
2009	93616
2010	93793
2011	101617
2012	99458
2013	99154
2014	99906
2015	93148
2016	93691
2017	93956
2019	94989
2020	93813
2021	94978
2022	96645