17 instances from 2 years 2018 - 16 instances Jan Feb Mar Apr May 24 4 May 24, 2018 4 instances 12:24:59 14:17:30 15:19:49 21:37:43 29 2 May 29, 2018 2 instances 17:11:37 23:10:33 Jun 21 22 2 Jun 22, 2018 2 instances 07:12:54 08:30:27 24 Jul 3 5 6 4 Jul 6, 2018 4 instances 14:21:27 14:29:42 16:18:54 20:49:03 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 1 Oct Nov Dec