28 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 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:53:25 11:24:24 19:50:40 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 5 Nov Dec 25 29 2016 - 14 instances Jan Feb Mar Apr May Jun 20 21 3 Jun 21, 2016 3 instances 01:04:14 01:08:14 06:56:43 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:20:50 17:14:09 18:50:14 19:13:02 30 2 Sep 30, 2016 2 instances 21:49:20 23:24:27 Oct 3 3 Oct 3, 2016 3 instances 16:14:00 16:31:39 17:23:39 Nov Dec 29