10 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:40:24 03:41:09 03:42:06 Jul Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 Nov Dec 2016 - 5 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:36:19 10:26:07 13:06:49 Jul Aug Sep 19 Oct 3 Nov Dec 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18