Year	Number
1964	1200000
1965	1330000
1966	1326810
1967	74000
1968	70000
1969	65000
1970	66000
1971	70000
1972	75000
1980	24
1981	24
1982	104
1983	24
1984	24
1985	124
1986	154
1987	24
1988	265
1989	413
1990	1426
1991	2011
1992	82576
1993	111507
1994	113908
1995	104691
1996	105806
1997	106731
1998	109396
1999	111950
2000	110967
2001	117403
2002	132099
2003	132390
2004	134708
2005	124086
2006	140584
2007	149087
2008	175169
2009	180546
2010	184601
2011	190369
2012	193449
2013	195121
2014	210793
2015	212911
2016	207768
2017	207716
2018	212039
2019	212863
2020	175361
2021	170222
2022	161366
2023	160565