14 instances from 4 years 2020 - 1 instance Jan 19 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct 26 Nov Dec 2017 - 1 instance Jan 8 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:24:36 14:59:33 19:54:17 20:13:55 Oct 1 2 Oct 1, 2016 2 instances 20:56:04 22:11:00 4 3 Oct 4, 2016 3 instances 15:30:01 16:03:05 18:44:30 Nov Dec 30