9 instances from 2 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 8 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 08:20:35 08:20:57 08:29:19 19:02:07 19:13:01 19:17:19 21:10:41 22 Jul Aug Sep Oct Nov Dec