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 03:16:15 03:16:17 03:16:24 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:39:17 08:44:52 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 11:40:32 12:24:00 12:41:15 13:05:42 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:26:16 15:39:08 15:47:00 15:50:28 30 2 Sep 30, 2016 2 instances 21:54:16 21:56:50 Oct 3 3 Oct 3, 2016 3 instances 14:01:07 14:09:50 14:26:43 Nov Dec 29