20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:08:12 02:08:12 02:08:12 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun Jul Aug Sep Oct 2 Nov 21 Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 08:46:12 08:51:37 09:41:56 09:43:56 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 08:30:14 08:34:53 08:34:56 08:35:11 30 Oct 3 3 Oct 3, 2016 3 instances 08:35:27 08:35:38 08:35:49 Nov Dec 29