Year	Number
1975	273290
1977	288467
1988	357785
1997	426701
1998	415137
1999	419765
2000	424118
2001	425325
2002	413989
2003	414486
2011	465591
2013	350846
2015	364874
2016	450729
2017	546246
2018	480688
2019	509261
2021	496594
2022	504084