14 instances from 3 years 2018 - 11 instances Jan Feb Mar Apr May 24 Jun 21 22 23 3 Jun 23, 2018 3 instances 07:11:07 12:11:58 12:43:45 Jul 5 6 4 Jul 6, 2018 4 instances 12:26:59 12:51:01 13:56:15 17:42:32 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun 23 Jul Aug Sep Oct Nov Dec 2016 - 2 instances Jan Feb Mar Apr May Jun 30 2 Jun 30, 2016 2 instances 10:21:29 10:21:31 Jul Aug Sep Oct Nov Dec