23 instances from 5 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 03:20:47 03:20:50 03:20:56 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 08:43:21 08:49:03 Jul Aug Sep Oct 2 Nov Dec 25 2016 - 13 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 12:19:09 12:34:45 12:58:59 Jul Aug Sep 19 4 Sep 19, 2016 4 instances 15:30:00 15:42:57 15:50:43 15:54:11 30 2 Sep 30, 2016 2 instances 21:58:03 22:00:32 Oct 3 3 Oct 3, 2016 3 instances 14:04:56 14:13:32 14:30:23 Nov Dec 29