25 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2020 - 5 instances Jan 20 Feb Mar Apr May Jun 28 Jul 4 Aug Sep Oct Nov 13 19 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep 18 Oct 26 Nov Dec 2017 - 4 instances Jan 8 Feb Mar Apr May Jun 25 Jul Aug Sep Oct 4 Nov Dec 27 2016 - 12 instances Jan Feb Mar Apr May Jun 21 22 Jul Aug Sep 21 4 Sep 21, 2016 4 instances 15:23:40 15:48:23 15:52:26 16:10:44 Oct 3 2 Oct 3, 2016 2 instances 00:15:33 00:49:03 5 3 Oct 5, 2016 3 instances 16:32:16 16:48:18 19:07:58 Nov Dec 31