Year	Number
1972	420069
1989	584113
1990	614343
1995	886333
1996	884734
1999	839945
2000	835419
2001	845173
2002	867491
2003	662194
2014	64714.2421875
2015	67570.65625
2016	70601.28125
2017	74824.578125
2018	79077
2019	207817
2020	119030