25 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 4 instances Jan 19 Feb Mar Apr May Jun Jul 2 Aug Sep Oct Nov 13 14 Dec 2019 - 4 instances Jan Feb Mar Apr May Jun 22 Jul 20 Aug Sep 18 Oct 27 Nov Dec 2018 - 2 instances Jan 5 Feb Mar Apr May Jun Jul 13 Aug Sep Oct Nov Dec 2017 - 3 instances Jan 6 Feb Mar Apr May Jun 23 Jul Aug Sep Oct 9 Nov Dec 2016 - 11 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 14:10:58 17:45:19 22:44:03 21 Jul Aug Sep 19 30 2 Sep 30, 2016 2 instances 21:47:32 22:56:29 Oct 3 3 Oct 3, 2016 3 instances 15:01:04 15:14:11 15:58:40 Nov Dec 29