13 instances from 4 years 2021 - 1 instance Jan Feb Mar 20 Apr May Jun Jul Aug Sep Oct Nov Dec 2018 - 7 instances Jan Feb Mar Apr May Jun 21 6 Jun 21, 2018 6 instances 17:39:23 17:39:27 17:51:02 17:51:06 17:55:18 17:55:22 22 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan 6 2 Jan 6, 2017 2 instances 18:57:35 18:59:19 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 25 2 Dec 25, 2017 2 instances 14:32:23 14:32:26 2016 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 29