16 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 2 instances Jan Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2017 - 2 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 3 Sep 20, 2016 3 instances 15:19:51 16:10:28 21:09:05 Oct 1 2 Oct 1, 2016 2 instances 21:59:37 23:13:48 4 3 Oct 4, 2016 3 instances 16:35:00 17:07:14 19:45:00 Nov Dec 30