Year	Number
1990	6901118
1991	7387073
1992	7319068
1993	5873612
1994	5801677
1995	5756400
1996	5825556
1997	5832984
1998	5902605
1999	5921548
2000	6083390
2001	6213276
2002	5841525
2003	5536247
2004	5699223
2005	5690431
2006	6974377
2007	7943746
2008	7696840
2009	7809326
2010	7666694
2011	7374023
2012	7269691
2013	8394673
2014	8998629
2015	8861523
2016	8909610
2017	9039508
2018	9131283
2019	9167508
2020	8933886
2021	8949192
2022	11620897
2023	11903647