16 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:51:42 02:51:45 02:51:53 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 07:08:20 07:14:34 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:09:18 14:20:11 14:28:49 14:33:08 30 2 Sep 30, 2016 2 instances 20:36:41 20:39:42 Oct 3 3 Oct 3, 2016 3 instances 12:43:25 12:52:08 13:08:44 Nov Dec