19 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:36:29 03:37:13 03:38:10 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 20:24:09 20:26:58 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 08:46:01 09:17:01 11:24:52 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:17:59 17:21:37 17:24:23 Oct 1 3 3 Oct 3, 2016 3 instances 17:24:52 17:29:42 17:30:15 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 17