21 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 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 03:09:22 03:09:24 03:09:31 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 07:42:49 07:48:48 Jul Aug Sep Oct 2 Nov Dec 2016 - 12 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 11:06:30 11:11:44 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:37:30 14:48:54 14:57:09 15:01:00 30 2 Sep 30, 2016 2 instances 21:04:50 21:07:36 Oct 3 3 Oct 3, 2016 3 instances 13:11:09 13:19:54 13:38:00 Nov Dec 29