27 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 6 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:20:23 20:34:07 22 3 Jun 22, 2018 3 instances 04:43:20 11:09:46 11:21:51 23 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:57:55 13:21:28 13:42:30 19:07:24 19:26:29 19:50:19 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 13:06:23 20:16:16 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:33:08 11:38:46 11:38:53 11:40:21 30 2 Sep 30, 2016 2 instances 21:19:33 21:25:16 Oct 3 3 Oct 3, 2016 3 instances 14:29:52 14:29:52 14:29:56 Nov Dec