27 instances from 5 years 2020 - 3 instances Jan 19 Feb Mar Apr May Jun Jul 1 Aug Sep Oct Nov 13 Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 22 24 27 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 8 Feb Mar Apr May Jun 22 23 Jul Aug Sep Oct 4 Nov Dec 25 29 2016 - 14 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2016 2 instances 11:15:02 19:23:09 22 30 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 15:52:18 16:42:33 21:23:43 21:41:08 Oct 1 2 Oct 1, 2016 2 instances 22:34:36 23:48:01 4 3 Oct 4, 2016 3 instances 17:13:41 17:41:51 20:19:46 Nov Dec 30