Year	number of cases
2008	517600
2010	463750
2011	495700
2012	910420
2013	1065100
2014	579067
2015	905597
2016	873020
2017	2179294
2018	1810544
2019	2727102
2020	3585560
2021	2338890
2022	4296440
2023	5391039