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 12 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 26 Jul Aug Sep Oct Nov 20 2 Nov 20, 2017 2 instances 20:06:03 21:26:07 Dec 2016 - 11 instances Jan Feb Mar Apr May Jun 21 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:30:36 15:05:31 20:00:20 20:19:49 Oct 1 4 3 Oct 4, 2016 3 instances 15:36:06 16:09:10 18:50:34 Nov Dec 29