19 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 4 instances Jan 19 Feb Mar Apr May Jun Jul 1 Aug Sep Oct Nov 13 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep 18 Oct Nov Dec 2017 - 3 instances Jan 8 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 20 2 Nov 20, 2017 2 instances 20:04:01 21:24:02 Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:47:56 15:22:29 20:18:53 20:35:53 Oct 1 4 3 Oct 4, 2016 3 instances 15:51:31 16:25:56 19:06:04 Nov Dec 30