20 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 - 2 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 05:07:41 05:07:51 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 12 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 13:23:51 13:48:31 14:16:55 14:31:01 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:00:42 17:04:11 17:07:06 30 Oct 3 3 Oct 3, 2016 3 instances 15:09:27 15:27:07 15:44:58 Nov Dec 29