13 instances from 3 years 2020 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 Dec 2017 - 3 instances Jan 6 14 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2016 2 instances 11:05:35 19:12:23 22 Jul Aug Sep 20 Oct 1 2 Oct 1, 2016 2 instances 21:53:57 23:08:45 4 3 Oct 4, 2016 3 instances 16:27:23 17:01:10 19:38:54 Nov Dec