19 instances from 4 years 2020 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 14 Dec 2018 - 1 instance Jan 1 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 9 instances Jan 1 9 Feb Mar Apr May Jun 26 Jul Aug Sep Oct 5 6 7 8 Nov 20 2 Nov 20, 2017 2 instances 20:14:22 21:34:39 Dec 2016 - 8 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 14:00:38 14:11:25 14:20:01 14:24:15 30 Oct 3 3 Oct 3, 2016 3 instances 12:34:50 12:43:33 13:00:04 Nov Dec