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 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:56:03 10:49:10 19:12:22 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:04:03 14:57:05 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 00:43:19 00:46:59 07:03:10 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:02:41 16:58:33 18:33:43 18:56:57 30 Oct 3 3 Oct 3, 2016 3 instances 15:57:05 16:15:23 17:01:07 Nov Dec 29