16 instances from 5 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 4 instances Jan Feb Mar Apr May Jun 21 4 Jun 21, 2018 4 instances 07:36:49 07:36:59 07:45:18 16:40:03 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 7 2 Jan 7, 2017 2 instances 07:17:10 08:20:46 Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 03:48:13 03:50:23 03:51:08 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 24 Nov 4 Dec 30