16 instances from 5 years 2021 - 1 instance Jan Feb Mar 21 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 3 Jun 21, 2018 3 instances 11:52:40 12:23:22 12:39:17 22 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 6 2 Jan 6, 2017 2 instances 19:30:15 19:36:15 Feb Mar Apr May Jun 21 3 Jun 21, 2017 3 instances 15:08:27 15:37:16 15:49:30 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 08:47:20 09:42:37 Dec 29