20 instances from 4 years 2020 - 1 instance Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:37:38 02:37:41 02:37:50 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:08:39 08:14:30 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 11:24:39 11:29:26 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 14:57:55 15:09:33 15:17:35 30 2 Sep 30, 2016 2 instances 21:25:20 21:27:51 Oct 3 3 Oct 3, 2016 3 instances 13:32:07 13:41:42 13:58:33 Nov Dec 29