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 03:08:51 03:08:54 03:09:00 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 07:44:08 07:50:11 Jul Aug Sep Oct 2 Nov Dec 2016 - 12 instances Jan Feb Mar Apr May Jun 20 2 Jun 20, 2016 2 instances 11:14:55 11:20:56 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:38:51 14:50:13 14:58:27 15:02:19 30 2 Sep 30, 2016 2 instances 21:06:09 21:08:54 Oct 3 3 Oct 3, 2016 3 instances 13:12:30 13:21:15 13:39:20 Nov Dec 29