18 instances from 2 years 2018 - 17 instances Jan Feb Mar Apr May 24 5 May 24, 2018 5 instances 11:05:10 11:20:31 11:58:43 12:17:00 14:31:31 29 Jun 21 22 23 3 Jun 23, 2018 3 instances 04:40:50 07:11:55 23:34:37 Jul 5 3 Jul 5, 2018 3 instances 13:20:34 19:19:35 19:34:25 6 3 Jul 6, 2018 3 instances 17:10:18 18:57:17 19:36:26 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug 30 Sep Oct Nov Dec