24 instances from 4 years 2020 - 3 instances Jan 20 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 14 Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 28 Jul 1 2 Aug Sep Oct Nov Dec 2017 - 9 instances Jan 6 Feb Mar Apr May Jun 26 Jul Aug 29 2 Aug 29, 2017 2 instances 15:59:09 16:58:48 Sep Oct 5 6 7 2 Oct 7, 2017 2 instances 00:18:25 01:14:17 Nov Dec 29 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 13:20:32 13:30:39 13:38:54 13:40:43 30 Oct 3 3 Oct 3, 2016 3 instances 11:54:26 12:00:55 12:19:59 Nov Dec 29