Year	number of cases
2009	3919600
2010	969200
2011	1507700
2012	1478450
2013	1141100
2014	3131700
2016	1389400
2017	1380202
2018	1437740
2019	616536
2020	506397
2021	1322861
2022	1768060
2023	5827060