28 instances from 5 years 2020 - 4 instances Jan 18 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 12 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 4 instances Jan 4 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:54:03 11:25:02 19:51:18 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 8 Feb Mar Apr May Jun 26 Jul Aug Sep Oct 9 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 21 22 3 Jun 22, 2016 3 instances 03:34:59 04:08:49 13:00:23 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:26:22 17:53:10 22:57:44 23:15:51 Oct 1 2 4 3 Oct 4, 2016 3 instances 18:48:09 19:13:07 22:20:47 Nov Dec 30