24 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 03:22:36 03:22:40 03:22:46 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:47:28 08:53:15 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 11:34:00 12:08:38 12:55:39 12:55:39 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:33:23 15:45:54 15:53:41 15:57:05 30 2 Sep 30, 2016 2 instances 22:01:01 22:03:30 Oct 3 3 Oct 3, 2016 3 instances 14:07:53 14:16:26 14:34:05 Nov Dec 29