16 instances from 5 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 18 Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 20:57:37 20:57:41 21:10:54 21:10:57 21:12:42 21:12:45 22 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 3 Jan 6, 2017 3 instances 15:36:46 15:36:57 19:01:27 Feb Mar Apr May Jun Jul Aug Sep Oct 5 2 Oct 5, 2017 2 instances 15:34:30 15:34:33 Nov Dec 2016 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 29 2 Dec 29, 2016 2 instances 05:35:08 05:35:19