Year	Number
1995	2311000
1996	1988000
1997	2600000
1998	2898000
1999	3280000
2000	3869000
2001	4388000
2002	4831000
2003	4844000
2004	5667000
2005	6313000
2006	7289000
2007	7833000
2008	8631000
2009	8861000
2010	11952000
2011	6732000
2012	8062000
2013	9163000
2014	10452000
2015	9670000
2016	10158000
2017	11374000
2018	12045000
2019	11061000
2020	1909000