8 instances from 2 years 2018 - 7 instances Jan Feb Mar Apr May Jun 22 23 Jul 3 5 2 Jul 5, 2018 2 instances 16:29:18 17:12:07 6 2 Jul 6, 2018 2 instances 15:12:00 15:12:33 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun Jul Aug 31 Sep Oct Nov Dec