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 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:21:03 11:03:05 19:27:44 Jul Aug Sep Oct Nov Dec 2017 - 9 instances Jan 2 11 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:20:22 15:12:28 22 Jul Aug 30 Sep Oct 2 Nov Dec 25 26 2016 - 9 instances Jan Feb Mar Apr May Jun 24 3 Jun 24, 2016 3 instances 06:48:00 11:25:25 12:35:07 Jul Aug Sep 23 4 Sep 23, 2016 4 instances 07:36:04 08:27:28 09:11:15 09:22:42 Oct 4 2 Oct 4, 2016 2 instances 13:48:58 15:30:27 Nov Dec