26 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 14 15 Dec 2018 - 4 instances Jan 8 Feb Mar Apr May Jun 29 30 Jul 12 Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 Feb Mar Apr May Jun 25 Jul Aug Sep Oct 5 3 Oct 5, 2017 3 instances 11:24:23 11:28:13 11:31:44 6 Nov Dec 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 11:33:24 11:41:06 11:46:34 12:57:02 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 10:16:46 10:23:39 10:31:48 10:32:54 Oct 1 2 Oct 1, 2016 2 instances 17:20:30 17:28:16 4 3 Oct 4, 2016 3 instances 09:36:15 09:49:06 10:45:21 Nov Dec 30