15 instances from 2 years 2018 - 14 instances Jan Feb Mar Apr May 25 Jun 21 4 Jun 21, 2018 4 instances 17:26:31 20:46:38 21:51:16 22:07:41 23 2 Jun 23, 2018 2 instances 00:52:17 05:11:15 Jul 3 2 Jul 3, 2018 2 instances 18:28:13 19:03:33 5 6 3 Jul 6, 2018 3 instances 05:38:32 17:36:00 17:59:01 7 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov Dec