24 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 27 Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2018 3 instances 02:49:07 02:49:10 02:49:18 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:19:36 08:25:28 Jul Aug Sep Oct 2 Nov Dec 2016 - 14 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 10:02:56 11:07:05 11:59:46 12:44:08 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:10:28 15:22:14 15:30:14 15:34:42 30 2 Sep 30, 2016 2 instances 21:38:27 21:41:06 Oct 3 3 Oct 3, 2016 3 instances 13:45:31 13:54:08 14:11:06 Nov Dec 29 2015 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 16