16 instances from 5 years 2020 - 1 instance Jan 22 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov Dec 2018 - 2 instances Jan 8 15 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan 1 9 Feb Mar Apr May Jun Jul 3 Aug Sep Oct Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 10:16:01 10:46:58 12:34:09 Jul Aug Sep 22 4 Sep 22, 2016 4 instances 06:10:53 06:24:19 16:13:30 17:11:51 Oct 3 2 Oct 3, 2016 2 instances 15:44:02 17:57:49 Nov Dec