19 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:29:32 03:30:07 03:31:01 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:21:11 20:24:00 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 08:51:21 11:25:36 13:18:58 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:15:01 17:18:40 17:21:18 Oct 1 3 3 Oct 3, 2016 3 instances 17:21:55 17:26:45 17:27:18 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 17