8 instances from 2 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 7 Jun 21, 2018 7 instances 08:20:22 08:20:26 08:20:45 08:20:49 08:29:06 08:29:10 21:10:36 Jul Aug Sep Oct Nov Dec