16 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:24:23 01:24:27 01:24:36 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 07:16:07 07:22:15 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:16:50 14:28:19 14:36:42 14:40:49 30 2 Sep 30, 2016 2 instances 20:44:15 20:47:11 Oct 3 3 Oct 3, 2016 3 instances 12:50:55 12:59:39 13:16:20 Nov Dec