20 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 4 instances Jan 18 Feb Mar Apr May Jun 29 Jul Aug 4 Sep Oct Nov 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:53:48 11:56:22 Jul Aug Sep Oct Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 14:09:53 17:44:51 22:42:58 21 Jul Aug Sep 19 30 Oct 3 3 Oct 3, 2016 3 instances 15:33:31 15:47:33 16:33:51 Nov Dec 29