8 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:12:23 02:12:49 02:13:21 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:07:29 10:07:47 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 19 Oct Nov Dec