17 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 Dec 2018 - 1 instance Jan 20 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 1 instance Jan 7 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 13:50:33 17:00:52 21:11:20 21 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:52:34 16:35:49 18:08:34 30 2 Sep 30, 2016 2 instances 22:01:02 23:10:02 Oct 3 3 Oct 3, 2016 3 instances 15:14:43 15:28:43 16:12:19 Nov Dec 30