11 instances from 3 years 2018 - 1 instance Jan Feb Mar Apr May Jun 21 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 02:24:17 02:24:23 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 5 instances Jan Feb 17 Mar Apr May Jun 20 Jul Aug Sep 19 30 Oct Nov Dec 29