13 instances from 4 years 2020 - 1 instance Jan 19 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2017 - 2 instances Jan 1 9 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:25:02 14:59:58 19:54:43 20:14:20 Oct 1 2 Oct 1, 2016 2 instances 20:56:30 22:11:25 4 3 Oct 4, 2016 3 instances 15:30:26 16:03:31 18:44:55 Nov Dec