20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:33:24 01:33:27 01:33:36 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 07:14:24 07:20:35 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 09:52:36 10:43:35 11:09:35 12:21:09 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:15:25 14:26:45 14:35:16 14:39:24 30 2 Sep 30, 2016 2 instances 20:42:51 20:45:48 Oct 3 3 Oct 3, 2016 3 instances 12:49:24 12:58:09 13:14:47 Nov Dec