20 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:57:28 02:57:28 02:57:28 Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 08:53:28 08:55:55 09:23:43 09:27:59 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:01:23 10:03:07 10:05:42 10:05:49 30 2 Sep 30, 2016 2 instances 18:11:13 18:17:00 Oct 3 3 Oct 3, 2016 3 instances 10:03:16 10:03:16 10:03:16 Nov Dec 29