11 instances from 4 years 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:52:15 03:53:08 03:54:22 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 21:07:43 21:07:43 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 3 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:05:16 11:21:11 13:37:31 Jul Aug Sep Oct Nov Dec 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 18