13 instances from 2 years 2018 - 12 instances Jan Feb Mar Apr May 24 29 Jun 21 22 3 Jun 22, 2018 3 instances 00:17:51 22:32:21 22:47:20 Jul 5 3 Jul 5, 2018 3 instances 12:24:28 19:00:52 19:08:20 6 3 Jul 6, 2018 3 instances 12:56:01 13:52:19 17:53:04 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 1 Oct Nov Dec