27 instances from 4 years 2020 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 Dec 2018 - 6 instances Jan 1 6 8 Feb Mar Apr May Jun 27 Jul 1 2 Aug Sep Oct Nov Dec 2017 - 6 instances Jan 1 9 Feb Mar Apr May Jun Jul 2 Aug Sep Oct 7 3 Oct 7, 2017 3 instances 00:10:24 00:27:40 01:24:35 Nov Dec 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 13:25:23 14:07:11 18:03:18 21:51:53 30 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 10:50:00 10:57:49 11:05:17 11:06:16 Oct 1 2 Oct 1, 2016 2 instances 17:50:43 17:59:07 4 3 Oct 4, 2016 3 instances 10:06:36 10:19:08 11:15:29 Nov Dec