17 instances from 2 years 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 19:04:32 19:04:36 19:16:27 19:16:31 19:21:26 19:21:29 22 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:39:37 11:39:41 12:02:05 12:02:09 12:21:01 12:21:04 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:52:11 11:52:15 Nov Dec 25 2 Dec 25, 2017 2 instances 15:34:10 15:34:14