29 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 20:08:59 20:22:46 22 4 Jun 22, 2018 4 instances 04:38:32 07:11:18 10:58:36 11:10:52 Jul 7 Aug Sep Oct Nov Dec 2017 - 12 instances Jan 6 2 Jan 6, 2017 2 instances 16:48:11 16:50:26 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:46:49 13:10:21 13:31:30 18:56:31 19:15:38 19:39:27 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 12:55:11 20:05:33 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 11:21:50 11:27:27 11:29:00 30 2 Sep 30, 2016 2 instances 21:00:39 21:07:52 Oct 3 3 Oct 3, 2016 3 instances 14:05:49 14:05:52 14:07:38 Nov Dec 29