28 instances from 5 years 2020 - 3 instances Jan 18 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:34:13 11:12:21 19:38:38 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 8 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:27:14 15:19:01 Jul Aug Sep Oct 2 Nov Dec 25 26 2016 - 14 instances Jan Feb Mar Apr May Jun 21 22 3 Jun 22, 2016 3 instances 03:11:33 03:44:47 13:24:03 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:10:37 17:42:10 22:46:52 23:05:24 Oct 1 2 4 3 Oct 4, 2016 3 instances 18:37:04 19:01:57 22:03:20 Nov Dec 30