23 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:27:43 03:28:18 03:29:12 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 2 Jan 7, 2017 2 instances 10:47:44 12:29:25 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:19:23 20:22:14 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 08:58:50 09:26:27 09:59:27 10:08:21 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:13:14 17:16:53 17:19:31 Oct 1 2 Oct 1, 2016 2 instances 01:40:00 01:44:55 3 3 Oct 3, 2016 3 instances 17:20:09 17:24:58 17:25:31 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18