21 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:28:24 03:28:59 03:29:53 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:20:04 20:22:54 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 08:59:12 09:26:43 09:59:30 10:08:46 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:13:54 17:17:34 17:20:12 Oct 1 2 Oct 1, 2016 2 instances 01:40:41 01:45:35 3 3 Oct 3, 2016 3 instances 17:20:49 17:25:39 17:26:12 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18