14 instances from 3 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 10:53:55 11:56:29 Jul Aug Sep Oct Nov Dec 2016 - 10 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 14:14:29 17:35:16 22:47:31 21 Jul Aug Sep 19 30 Oct 3 3 Oct 3, 2016 3 instances 15:33:38 15:47:39 16:33:57 Nov Dec 29