20 instances from 3 years 2019 - 1 instance Jan Feb 18 Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 01:45:13 01:47:01 Jul Aug Sep Oct Nov Dec 2016 - 16 instances Jan Feb 17 Mar Apr May Jun 20 5 Jun 20, 2016 5 instances 08:12:41 08:45:47 09:31:12 09:58:04 14:14:11 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 10:04:01 10:04:31 10:08:47 11:27:12 30 Oct 3 4 Oct 3, 2016 4 instances 09:15:29 10:04:06 10:20:20 11:36:02 Nov Dec 29