9 instances from 2 years 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 03:51:40 03:51:53 03:52:09 19:36:44 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 02:39:01 02:39:03 02:41:02 Jul Aug Sep Oct 2 Nov Dec 25