Year	number
2006	81974
2007	100761
2008	98645
2009	109424
2010	139530
2011	148329
2012	150165
2013	174031
2014	167280
2015	139209
2016	144883
2017	160229
2018	151739
2019	124741
2020	99405
2021	110840
2022	104120