18 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 14:35:36 15:02:30 15:20:19 22 4 Jun 22, 2018 4 instances 02:51:43 17:51:14 18:28:25 18:38:56 23 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 5 Jun 21, 2017 5 instances 10:15:21 10:16:18 10:17:39 10:18:37 10:20:00 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 10:10:41 10:11:38 Nov 8 Dec 25 26