Year	number
2006	22116
2007	26337
2008	27226
2009	38581
2010	45321
2011	44786
2012	31028
2013	42562
2014	43617
2015	46174
2016	45256
2017	82948
2018	83903
2019	84320
2020	68114
2021	69881
2022	75242