10 instances from 2 years 2018 - 1 instance Jan 3 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 03:21:30 03:32:17 03:42:59 03:43:19 Oct 1 2 Oct 1, 2016 2 instances 10:18:40 10:20:32 4 3 Oct 4, 2016 3 instances 02:25:31 02:38:30 03:36:08 Nov Dec