27 instances from 4 years 2020 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 15 Dec 2018 - 3 instances Jan 7 Feb Mar Apr May Jun Jul 11 13 Aug Sep Oct Nov Dec 2017 - 8 instances Jan 6 19 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 06:13:27 06:34:10 Jul Aug Sep Oct 6 7 2 Oct 7, 2017 2 instances 00:27:53 01:34:54 8 Nov Dec 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 14:12:03 16:38:58 19:57:36 22:46:15 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 13:29:11 13:39:08 13:47:31 13:49:11 30 2 Sep 30, 2016 2 instances 19:55:58 19:59:24 Oct 3 3 Oct 3, 2016 3 instances 12:03:26 12:09:59 12:28:52 Nov Dec 29