11 instances from 4 years 2018 - 1 instance Jan Feb Mar Apr May 17 Jun Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul 28 2 Jul 28, 2017 2 instances 23:42:00 23:42:02 Aug Sep Oct Nov Dec 2016 - 5 instances Jan Feb 18 2 Feb 18, 2016 2 instances 07:00:17 07:00:20 Mar Apr 7 May Jun 20 2 Jun 20, 2016 2 instances 11:09:34 11:09:37 Jul Aug Sep Oct Nov Dec 2015 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep 13 Oct Nov Dec 16 2 Dec 16, 2015 2 instances 15:12:52 15:12:55