Year per 1 million people 2010 4.119434772354885 2011 8.261063370961331 2012 25.51371344858866 2013 35.57745315174786 2014 52.26533901167975 2015 68.38608492440908 2016 144.64026124256415 2017 443.0203758051712 2018 526.0998557062994 2019 767.2927284824317 2020 884.8250911165463