19 instances from 2 years 2018 - 16 instances Jan Feb Mar Apr May 24 2 May 24, 2018 2 instances 13:07:11 13:37:50 29 Jun 21 22 4 Jun 22, 2018 4 instances 17:44:32 17:59:58 19:13:04 20:02:46 Jul 3 5 2 Jul 5, 2018 2 instances 10:13:22 14:00:38 6 5 Jul 6, 2018 5 instances 13:08:24 13:30:59 14:43:05 14:59:20 20:58:07 Aug Sep Oct Nov Dec 2017 - 3 instances Jan 19 Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov 20 Dec