17 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 22 5 Jun 22, 2018 5 instances 03:02:19 03:11:12 03:53:13 06:07:48 21:00:17 23 3 Jun 23, 2018 3 instances 07:07:53 07:15:43 07:17:41 Jul Aug Sep Oct Nov Dec 2017 - 9 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 14:28:52 15:04:02 15:15:50 22 2 Jun 22, 2017 2 instances 04:23:10 04:43:12 Jul Aug Sep Oct 2 3 Nov Dec 25 26