19 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 3 instances Jan 19 Feb Mar Apr May Jun Jul 1 Aug Sep Oct Nov 14 Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 24 27 Jul Aug Sep Oct Nov Dec 2017 - 6 instances Jan 8 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 4 Nov 20 2 Nov 20, 2017 2 instances 20:06:33 21:26:38 Dec 29 2016 - 5 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 1 4 3 Oct 4, 2016 3 instances 15:52:08 16:26:36 19:06:41 Nov Dec 30