37 instances from 5 years 2020 - 3 instances Jan 19 Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 15 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 27 Nov Dec 2018 - 8 instances Jan 7 10 16 Feb Mar Apr May Jun 21 22 2 Jun 22, 2018 2 instances 10:12:14 22:58:41 25 29 Jul Aug Sep Oct Nov Dec 2017 - 11 instances Jan 8 Feb Mar Apr May Jun 22 23 2 Jun 23, 2017 2 instances 10:26:09 23:14:05 Jul Aug 29 2 Aug 29, 2017 2 instances 16:11:31 17:21:30 Sep Oct 7 Nov 20 3 Nov 20, 2017 3 instances 21:13:08 22:31:09 22:33:41 Dec 28 2016 - 13 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2016 2 instances 08:35:01 11:20:11 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:37:46 15:12:40 20:07:39 20:26:58 30 Oct 1 4 3 Oct 4, 2016 3 instances 15:44:05 16:17:09 18:58:34 Nov Dec 30