21 instances from 7 years 2023 - 1 instance Jan Feb Mar 25 Apr May Jun Jul Aug Sep Oct Nov Dec 2021 - 1 instance Jan 25 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 5 instances Jan 20 Feb 4 Mar Apr May Jun 29 Jul Aug Sep Oct Nov 14 21 Dec 2019 - 2 instances Jan Feb Mar 4 Apr May Jun Jul 20 Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 09:04:41 11:46:14 13:23:11 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 7 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 01:24:09 19:46:58 Nov Dec 26 2016 - 4 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 4 3 Oct 4, 2016 3 instances 19:06:49 22:49:33 23:54:32 Nov Dec 29