20 instances from 4 years 2020 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 16 Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 27 2 Jun 27, 2018 2 instances 15:06:17 20:29:31 29 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 3 12 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 5 Nov Dec 25 27 2016 - 10 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2016 4 instances 09:42:47 11:46:07 14:08:38 16:42:40 Jul Aug Sep 20 Oct 3 2 Oct 3, 2016 2 instances 00:33:13 01:07:18 5 3 Oct 5, 2016 3 instances 16:49:04 17:04:13 19:24:18 Nov Dec