25 instances from 4 years 2020 - 3 instances Jan 22 Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 13 Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:41:04 11:17:44 19:44:03 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:27:08 15:18:55 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 13 instances Jan Feb Mar Apr May Jun 20 21 3 Jun 21, 2016 3 instances 00:43:47 00:47:27 07:09:30 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:09:34 17:04:45 18:40:24 19:03:21 30 2 Sep 30, 2016 2 instances 21:39:15 23:06:09 Oct 3 2 Oct 3, 2016 2 instances 16:04:27 17:08:51 Nov Dec 29