11 instances from 3 years 2018 - 1 instance Jan 3 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 1 instance Jan 6 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 - 9 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 4 Sep 19, 2016 4 instances 13:21:04 13:31:04 13:39:30 13:41:14 30 Oct 3 3 Oct 3, 2016 3 instances 11:55:04 12:01:33 12:20:38 Nov Dec 29