13 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:38:20 03:39:04 03:40:02 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 - 6 instances Jan Feb Mar Apr May Jun 20 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:24:48 17:24:58 17:27:41 Oct 3 Nov Dec 30 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 17