Year	number
2006	65447
2007	65292
2008	65812
2009	74055
2010	73966
2011	71190
2012	69332
2013	68526
2014	67458
2015	69384
2016	70720
2017	71801
2018	72844
2019	73991
2020	72774
2021	82991
2022	74773