31 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 20:18:45 20:32:28 22 4 Jun 22, 2018 4 instances 04:42:36 11:08:11 11:20:17 16:22:05 23 Jul Aug Sep Oct Nov Dec 2017 - 12 instances Jan 6 7 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:56:20 13:19:53 13:40:55 19:05:50 19:24:56 19:48:46 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 13:04:50 20:14:44 Nov Dec 25 26 2016 - 11 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:31:30 11:37:07 11:37:14 11:38:42 30 2 Sep 30, 2016 2 instances 21:16:51 21:22:35 Oct 3 3 Oct 3, 2016 3 instances 14:26:40 14:26:41 14:26:55 Nov Dec 29 2 Dec 29, 2016 2 instances 07:24:29 16:40:37