20 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 2019 - 3 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep 18 Oct 26 Nov Dec 2017 - 5 instances Jan 1 10 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 20 2 Nov 20, 2017 2 instances 20:03:02 21:23:02 Dec 2016 - 10 instances Jan Feb Mar Apr May Jun 21 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:33:49 15:08:43 20:03:38 20:23:01 Oct 1 4 3 Oct 4, 2016 3 instances 15:38:51 16:11:55 18:53:19 Nov Dec