20 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 04:13:39 04:13:43 04:14:03 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:30:02 09:34:50 Jul Aug Sep Oct Nov Dec 25 2016 - 11 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 12:29:05 12:44:49 13:25:08 13:25:16 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 16:25:06 16:28:12 30 Oct 3 3 Oct 3, 2016 3 instances 14:39:40 14:47:45 15:05:27 Nov Dec 29