22 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 03:12:01 03:12:04 03:12:11 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 07:45:41 07:51:41 Jul Aug Sep Oct 2 Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 11:11:12 11:16:12 11:46:03 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:40:21 14:51:43 14:59:59 15:03:49 30 2 Sep 30, 2016 2 instances 21:07:40 21:10:24 Oct 3 3 Oct 3, 2016 3 instances 13:14:00 13:22:45 13:40:49 Nov Dec 29