27 instances from 4 years 2020 - 4 instances Jan 20 Feb Mar Apr May Jun Jul 3 Aug Sep Oct Nov 13 15 Dec 2018 - 3 instances Jan 8 Feb Mar Apr May Jun Jul 13 14 Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 22 Jul Aug Sep Oct 2 3 Oct 2, 2017 3 instances 12:27:25 12:30:36 12:32:04 3 Nov Dec 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 10:18:05 10:52:54 10:57:55 12:27:42 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 13:30:32 13:40:27 13:48:53 13:50:32 30 2 Sep 30, 2016 2 instances 19:57:20 20:00:45 Oct 3 3 Oct 3, 2016 3 instances 12:04:47 12:11:21 12:30:14 Nov Dec 29