16 instances from 3 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct Nov Dec 2017 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 02:36:32 02:38:38 03:19:21 Jul Aug Sep Oct Nov Dec 2016 - 12 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 5 Sep 19, 2016 5 instances 10:08:46 10:11:36 10:11:55 10:11:56 10:16:29 30 3 Sep 30, 2016 3 instances 18:02:36 18:06:57 18:11:32 Oct 3 4 Oct 3, 2016 4 instances 10:09:28 10:13:15 10:13:44 10:29:53 Nov Dec