15 instances from 2 years 2018 - 8 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 18:17:03 18:28:16 18:32:18 22 4 Jun 22, 2018 4 instances 04:01:05 16:47:21 17:29:39 17:37:45 23 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan Feb Mar Apr May Jun 22 2 Jun 22, 2017 2 instances 11:55:44 12:29:56 23 Jul Aug Sep Oct 2 3 Nov Dec 25 2 Dec 25, 2017 2 instances 15:07:04 15:22:46