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 4 Jun 21, 2018 4 instances 15:14:39 15:43:20 15:56:00 15:58:26 22 3 Jun 22, 2018 3 instances 03:08:21 10:48:06 11:00:31 Jul 4 Aug Sep Oct Nov Dec