23 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:27:14 03:27:50 03:28:43 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 2 Jan 7, 2017 2 instances 10:47:15 12:28:57 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:18:55 20:21:46 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 08:59:09 09:26:40 09:59:33 10:08:49 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:12:46 17:16:25 17:19:03 Oct 1 2 Oct 1, 2016 2 instances 01:39:32 01:44:27 3 3 Oct 3, 2016 3 instances 17:19:40 17:24:30 17:25:03 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18