18 instances from 4 years 2020 - 1 instance Jan 19 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 3 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 2 Oct 26, 2019 2 instances 12:11:41 23:58:13 Nov Dec 2017 - 2 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov Dec 2016 - 12 instances Jan Feb Mar Apr May Jun 21 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 15:48:35 16:38:51 21:19:54 21:37:25 Oct 1 2 Oct 1, 2016 2 instances 22:29:46 23:43:18 4 3 Oct 4, 2016 3 instances 17:09:05 17:37:15 20:15:08 Nov Dec 30