18 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:29:48 02:30:13 02:30:48 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 22:33:23 22:33:23 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:25:25 10:25:50 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 16:59:25 17:01:18 17:04:55 Oct 1 2 Oct 1, 2016 2 instances 01:05:20 01:10:24 3 3 Oct 3, 2016 3 instances 16:45:40 16:50:28 16:50:59 Nov Dec 29