Year	number
2006	133756
2007	157438
2008	141827
2009	145963
2010	159246
2011	166740
2012	184237
2013	201855
2014	222294
2015	241023
2016	243105
2017	249048
2018	235684
2019	223389
2020	236447
2021	300666
2022	291051