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 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 05:04:00 05:04:10 05:04:19 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:36:51 09:40:55 Jul Aug Sep Oct Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 13:04:10 13:10:45 13:58:00 14:02:01 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 16:25:23 16:30:48 16:34:34 30 Oct 3 2 Oct 3, 2016 2 instances 14:53:25 15:11:07 Nov Dec 29