22 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:27:36 03:28:12 03:29:05 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 7 2 Jan 7, 2017 2 instances 10:47:37 12:29:19 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:19:17 20:22:08 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 12 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:36:23 09:59:24 10:08:03 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:13:08 17:16:47 17:19:25 Oct 1 2 Oct 1, 2016 2 instances 01:39:54 01:44:49 3 3 Oct 3, 2016 3 instances 17:20:02 17:24:52 17:25:25 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18