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 08:26:00 08:26:03 08:26:20 08:26:24 08:34:47 08:34:51 21:12:21 Jul Aug Sep Oct Nov Dec