8 instances from 1 year 2018 - 8 instances Jan Feb Mar Apr May Jun 22 4 Jun 22, 2018 4 instances 04:57:35 19:02:05 20:26:12 21:29:00 Jul 5 6 3 Jul 6, 2018 3 instances 04:16:28 14:43:17 23:02:22 Aug Sep Oct Nov Dec