15 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:37:24 03:38:08 03:39:05 Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan Feb Mar Apr May Jun 21 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 8 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 08:47:41 10:37:26 13:16:13 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:23:48 17:24:04 17:26:45 Oct 3 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18