16 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 - 8 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 13:12:49 17:26:42 21:58:38 21 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 16:08:27 18:02:39 Oct 3 2 Oct 3, 2016 2 instances 15:29:34 15:43:37 Nov Dec