20 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan 20 Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov 13 Dec 2018 - 2 instances Jan 8 Feb Mar Apr May Jun Jul 13 Aug Sep Oct Nov Dec 2017 - 4 instances Jan 8 Feb Mar Apr May Jun 26 Jul Aug 29 Sep Oct 9 Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:05:47 10:45:38 12:35:30 Jul Aug Sep 20 2 Sep 20, 2016 2 instances 14:07:12 20:59:56 Oct 1 4 3 Oct 4, 2016 3 instances 16:17:24 16:52:47 19:32:06 Nov Dec 31