15 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 16:09:05 16:21:08 16:24:47 22 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 7 2 Jan 7, 2017 2 instances 01:18:53 01:19:51 Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 11:10:28 11:19:17 11:28:57 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 3 2 Nov 3, 2016 2 instances 01:07:23 02:04:10 Dec 29