19 instances from 5 years 2020 - 6 instances Jan 18 Feb 12 13 Mar Apr May Jun 29 Jul Aug Sep Oct Nov 13 14 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 22 2 Jun 22, 2018 2 instances 00:26:14 14:15:11 26 Jul Aug Sep Oct Nov Dec 2017 - 7 instances Jan 7 Feb Mar Apr May Jun 21 Jul Aug Sep Oct 2 4 Oct 2, 2017 4 instances 09:34:37 09:36:24 09:43:32 22:01:41 Nov Dec 26 2016 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 29