17 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 22 5 Jun 22, 2018 5 instances 03:04:51 03:13:43 03:55:45 06:08:46 21:00:21 23 3 Jun 23, 2018 3 instances 07:08:01 07:15:51 07:17:49 Jul Aug Sep Oct Nov Dec 2017 - 9 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 14:30:27 15:05:17 15:17:06 22 2 Jun 22, 2017 2 instances 04:23:20 04:43:22 Jul Aug Sep Oct 2 3 Nov Dec 25 26