14 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 15:11:59 15:40:39 15:52:21 15:55:48 22 3 Jun 22, 2018 3 instances 03:07:16 10:45:34 10:57:59 Jul 7 Aug Sep Oct Nov Dec 2017 - 6 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:44:22 19:55:09 Nov 8 2 Nov 8, 2017 2 instances 21:00:27 21:00:29 Dec 25 26