9 instances from 2 years 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 01:28:04 01:29:03 Jul Aug Sep Oct 2 Nov Dec 2016 - 5 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 2 Sep 19, 2016 2 instances 08:22:25 08:22:48 30 Oct 3 Nov Dec 29