Year	Number
2004	1703200
2005	1865600
2006	1946000
2007	2093800
2008	2013200
2009	1917100
2010	2027000
2011	2040900
2012	2057600
2013	2137400
2014	2193400
2015	2442100
2016	2531000
2017	2733500
2018	2766200
2019	2844700
2020	2934700