7 instances from 4 years 2019 - 1 instance Jan Feb Mar Apr May Jun Jul 20 Aug Sep Oct Nov Dec 2018 - 1 instance Jan Feb Mar Apr May Jun 30 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 3 Nov 20 Dec 2016 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep 19 3 Sep 19, 2016 3 instances 15:14:07 15:52:07 16:41:41 Oct Nov Dec