8 instances from 3 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:11:36 02:12:02 02:12:35 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:06:40 10:06:56 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 19 Oct Nov Dec