13 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 1 instance Jan Feb Mar Apr May Jun 28 Jul Aug Sep Oct Nov Dec 2019 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep 17 Oct Nov Dec 2018 - 1 instance Jan Feb Mar Apr May Jun 21 Jul Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun 21 Jul Aug Sep Oct Nov Dec 2016 - 8 instances Jan Feb Mar Apr May Jun 20 3 Jun 20, 2016 3 instances 09:00:09 09:27:39 09:43:37 Jul Aug Sep 19 3 Sep 19, 2016 3 instances 17:23:29 17:23:51 17:26:31 Oct 3 Nov Dec 30