27 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 20:22:14 20:35:59 22 3 Jun 22, 2018 3 instances 04:44:07 11:11:33 11:23:39 23 Jul 9 Aug Sep Oct Nov Dec 2017 - 10 instances Jan 6 Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 12:59:48 13:23:19 13:44:21 19:09:14 19:28:19 19:52:09 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 11:35:01 11:40:40 11:40:50 11:42:16 30 2 Sep 30, 2016 2 instances 21:22:09 21:27:55 Oct 3 3 Oct 3, 2016 3 instances 14:33:36 14:33:37 14:33:37 Nov Dec