6 instances from 2 years 2018 - 3 instances Jan Feb Mar Apr May Jun 22 3 Jun 22, 2018 3 instances 00:24:46 06:41:56 19:56:34 Jul Aug Sep Oct Nov Dec 2017 - 3 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 01:14:18 17:55:39 Nov Dec 26