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 18 Feb Mar Apr May Jun 29 Jul Aug 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 10:18:42 11:15:55 Jul Aug Sep Oct Nov Dec 2016 - 11 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 13:56:10 17:57:56 22:30:06 21 Jul Aug Sep 19 30 2 Sep 30, 2016 2 instances 21:51:24 23:00:28 Oct 3 3 Oct 3, 2016 3 instances 15:05:11 15:19:15 16:02:48 Nov Dec 29