27 instances from 4 years 2020 - 3 instances Jan 20 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 14 Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 22 26 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 7 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 2 4 Oct 2, 2017 4 instances 08:11:38 08:14:03 08:21:29 21:14:54 Nov Dec 26 2016 - 14 instances Jan Feb Mar Apr May Jun 20 21 3 Jun 21, 2016 3 instances 01:48:33 03:51:59 03:55:54 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 19:36:33 19:42:09 19:59:00 20:05:07 Oct 1 2 Oct 1, 2016 2 instances 02:13:06 02:18:32 3 3 Oct 3, 2016 3 instances 18:20:04 18:35:45 19:31:07 Nov Dec 29