30 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2020 - 5 instances Jan 21 Feb Mar Apr May Jun 28 Jul 3 Aug Sep Oct Nov 13 19 Dec 2018 - 3 instances Jan 1 Feb Mar Apr May Jun Jul 12 13 Aug Sep Oct Nov Dec 2017 - 8 instances Jan 1 10 Feb Mar Apr May Jun 30 Jul Aug 29 5 Aug 29, 2017 5 instances 15:52:13 16:06:01 17:02:59 17:21:02 17:27:15 Sep Oct Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 08:57:27 10:09:36 10:42:01 12:38:21 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:07:34 16:08:06 16:56:51 21:56:43 Oct 1 2 4 3 Oct 4, 2016 3 instances 17:29:35 17:57:10 20:35:28 Nov Dec