18 instances from 3 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 6 Jun 21, 2018 6 instances 19:07:21 19:07:25 19:19:16 19:19:20 19:24:14 19:24:18 22 Jul Aug Sep Oct Nov Dec 2017 - 10 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2017 6 instances 11:41:25 11:41:29 12:03:53 12:03:57 12:22:47 12:22:51 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:54:43 11:54:47 Nov Dec 25 2 Dec 25, 2017 2 instances 15:36:54 15:36:58