19 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:28:33 03:29:09 03:30:03 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:20:13 20:23:04 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 09:45:39 10:06:44 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:14:04 17:17:43 17:20:21 Oct 1 2 Oct 1, 2016 2 instances 01:40:50 01:45:44 3 3 Oct 3, 2016 3 instances 17:20:59 17:25:48 17:26:21 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18