24 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2020 - 5 instances Jan 20 Feb Mar Apr May Jun 28 Jul 2 Aug Sep Oct Nov 13 19 Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 2 instances Jan 12 Feb Mar Apr May Jun Jul 13 Aug Sep Oct Nov Dec 2017 - 3 instances Jan 9 Feb Mar Apr May Jun 25 Jul Aug Sep Oct 9 Nov Dec 2016 - 12 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 14:07:49 14:09:22 22:42:27 21 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 16:22:09 18:14:24 Oct 3 2 Oct 3, 2016 2 instances 01:28:44 02:03:02 5 3 Oct 5, 2016 3 instances 17:43:54 17:58:31 20:20:21 Nov Dec 31