10 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 01:23:41 01:23:48 01:23:54 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 6 2 Jan 6, 2017 2 instances 15:36:46 16:05:07 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 03:32:45 03:38:44 Jul Aug Sep Oct 2 Nov 2 Dec 2016 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 29