19 instances from 5 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 2 instances Jan 19 Feb Mar Apr May Jun Jul Aug Sep Oct Nov 13 Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct 26 Nov Dec 2017 - 4 instances Jan 8 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 20 2 Nov 20, 2017 2 instances 20:03:14 21:23:14 Dec 2016 - 11 instances Jan Feb Mar Apr May Jun 21 22 Jul Aug Sep 20 4 Sep 20, 2016 4 instances 14:33:17 15:08:12 20:03:04 20:22:30 Oct 1 4 3 Oct 4, 2016 3 instances 15:38:20 16:11:24 18:52:48 Nov Dec 30