22 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:27:01 03:27:37 03:28:30 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 2 Jan 7, 2017 2 instances 10:47:03 12:28:44 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:18:42 20:21:33 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 12 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:46:01 10:06:51 12:29:57 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:12:33 17:16:12 17:18:51 Oct 1 2 Oct 1, 2016 2 instances 01:39:20 01:44:14 3 3 Oct 3, 2016 3 instances 17:19:28 17:24:18 17:24:50 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18