19 instances from 5 years 2020 - 4 instances Jan 18 Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov 12 13 Dec 2019 - 2 instances Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct 26 Nov Dec 2018 - 7 instances Jan 1 6 7 8 Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 03:39:48 11:16:32 19:42:50 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 8 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:18:36 15:11:31 22 Jul Aug Sep Oct Nov Dec 25 2016 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 30