21 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 - 2 instances Jan 6 Feb Mar Apr May Jun 21 Jul Aug Sep Oct Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 13:53:21 17:53:49 22:27:58 21 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:53:40 16:36:54 18:09:39 30 2 Sep 30, 2016 2 instances 22:01:43 23:10:43 Oct 3 3 Oct 3, 2016 3 instances 15:15:24 15:29:23 16:12:59 Nov Dec 29