27 instances from 5 years 2020 - 4 instances Jan 18 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 12 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 5 instances Jan 7 8 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:39:58 11:16:41 19:43:00 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 8 Feb Mar Apr May Jun 22 2 Jun 22, 2017 2 instances 16:10:38 20:40:46 Jul Aug Sep Oct 3 Nov Dec 25 29 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:30:20 17:57:57 23:01:16 23:20:17 Oct 1 2 4 3 Oct 4, 2016 3 instances 18:52:40 19:17:36 22:35:35 Nov Dec 30