12 instances from 3 years 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 19:07:28 19:07:32 19:19:23 19:19:27 19:24:22 19:24:26 22 Jul Aug Sep Oct Nov Dec 2017 - 4 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 2 Oct 2, 2017 2 instances 11:54:50 11:54:54 Nov Dec 25 2 Dec 25, 2017 2 instances 15:37:01 15:37:05