20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:49:57 02:50:31 02:51:02 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 2 Jan 7, 2017 2 instances 08:09:10 11:17:13 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 19:07:25 19:11:35 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 23 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 05:46:38 05:48:01 05:59:57 06:05:46 Oct 1 2 Oct 1, 2016 2 instances 16:27:33 18:05:35 4 3 Oct 4, 2016 3 instances 05:48:01 08:07:48 08:12:41 Nov Dec 30