19 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 04:13:19 04:13:22 04:13:42 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 09:35:16 09:39:29 Jul Aug Sep Oct Nov Dec 25 2016 - 10 instances Jan Feb Mar Apr May Jun 20 4 Jun 20, 2016 4 instances 10:38:35 12:20:30 13:19:11 13:26:12 Jul Aug Sep 19 2 Sep 19, 2016 2 instances 16:29:00 16:32:40 30 Oct 3 2 Oct 3, 2016 2 instances 14:51:39 15:09:21 Nov Dec 29