19 instances from 2 years 2018 - 18 instances Jan Feb Mar Apr May 17 24 29 Jun 21 2 Jun 21, 2018 2 instances 17:44:56 19:26:18 22 4 Jun 22, 2018 4 instances 16:02:26 18:09:45 18:25:34 20:37:14 23 24 Jul 5 3 Jul 5, 2018 3 instances 14:19:03 15:47:03 18:00:05 6 3 Jul 6, 2018 3 instances 13:48:34 15:06:08 17:01:26 7 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug 29 Sep Oct Nov Dec