Year	Number
1985	2439550
1989	2660000
1990	3182000
1991	2137000
1992	2385000
1993	2409000
1994	2288000
1995	3423350
1996	3477650
1997	3438200
1998	3479200
1999	3669300
2000	3689800
2001	3210100
2002	3394150
2003	3385800
2004	2738500
2005	2859250
2007	3007250
2008	3270250
2009	3531285
2010	3789265
2011	3782630
2012	3803730
2013	2992200
2014	3224850
2015	3315400
2016	3266830
2017	3283000
2018	3401400
2019	3456000
2020	3292000