15 instances from 2 years 2018 - 7 instances Jan Feb Mar Apr May Jun 22 7 Jun 22, 2018 7 instances 01:52:32 01:52:36 01:55:42 01:55:45 02:42:05 02:42:08 05:46:29 Jul Aug Sep Oct Nov Dec 2017 - 8 instances Jan Feb Mar Apr May Jun 22 4 Jun 22, 2017 4 instances 00:53:28 02:26:34 21:40:53 22:10:23 Jul Aug Sep Oct 9 2 Oct 9, 2017 2 instances 05:43:34 05:43:40 Nov Dec 25 2 Dec 25, 2017 2 instances 18:38:46 18:38:50