25 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 1 Feb Mar Apr May Jun Jul 11 13 Aug Sep Oct Nov Dec 2017 - 7 instances Jan 3 11 Feb Mar Apr May Jun 26 Jul Aug Sep Oct 8 3 Oct 8, 2017 3 instances 00:09:50 00:39:00 01:31:34 9 Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 15:56:55 16:42:50 17:46:44 19:40:31 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 04:32:02 04:44:08 04:53:45 04:54:14 Oct 1 2 Oct 1, 2016 2 instances 11:32:25 11:34:56 4 3 Oct 4, 2016 3 instances 03:38:23 03:51:28 04:48:58 Nov Dec