Year	number
2006	141830
2007	138879
2008	99473
2009	74333
2010	75885
2011	81027
2012	84399
2013	90373
2014	91544
2015	91750
2016	98824
2017	92613
2018	93560
2019	92010
2020	77541
2021	99159
2022	96655