17 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 22 5 Jun 22, 2018 5 instances 03:04:54 03:13:46 03:55:49 06:08:47 21:00:22 23 3 Jun 23, 2018 3 instances 07:08:04 07:15:54 07:17:52 Jul Aug Sep Oct Nov Dec 2017 - 9 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 14:30:30 15:05:21 15:17:09 22 2 Jun 22, 2017 2 instances 04:23:24 04:43:25 Jul Aug Sep Oct 2 3 Nov Dec 25 26