Year	Number
1995	3753000
1996	3684000
1997	3908000
1998	4250000
1999	4660000
2000	5322000
2001	5147000
2002	5347000
2003	4753000
2004	5818000
2005	6023000
2006	6155000
2007	6448000
2008	6891000
2009	7818000
2010	8798000
2011	9795000
2012	11140000
2013	12176000
2014	14202000
2015	13232000
2016	17242000
2017	13336000
2018	15347000
2019	17503000
2020	2519000