22 instances from 6 years 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 4 instances Jan 20 Feb Mar Apr May Jun 28 30 Jul Aug Sep Oct Nov 13 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep 18 Oct 26 Nov Dec 2018 - 4 instances Jan 5 Feb Mar Apr May Jun 27 Jul 1 2 Aug Sep Oct Nov Dec 2017 - 5 instances Jan 3 11 Feb Mar Apr May Jun 28 Jul Aug Sep Oct 9 Nov 20 Dec 2016 - 5 instances Jan Feb Mar Apr May Jun 21 3 Jun 21, 2016 3 instances 01:45:24 09:37:21 09:58:04 Jul Aug Sep 20 2 Sep 20, 2016 2 instances 17:34:13 22:17:01 Oct Nov Dec