29 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 20:02:09 20:16:03 22 3 Jun 22, 2018 3 instances 04:35:44 10:52:06 11:04:24 30 Jul Aug Sep Oct Nov Dec 2017 - 14 instances Jan 6 2 Jan 6, 2017 2 instances 16:40:08 16:42:45 9 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:40:20 13:03:53 13:25:03 18:50:09 19:09:13 19:33:06 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 12:48:39 19:59:13 Nov 20 Dec 25 26 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 2 Sep 19, 2016 2 instances 11:15:00 11:22:07 30 2 Sep 30, 2016 2 instances 20:50:31 20:58:11 Oct 3 3 Oct 3, 2016 3 instances 13:51:30 13:51:33 13:53:07 Nov Dec 29