18 instances from 6 years 2022 - 2 instances Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct 23 Nov Dec 2021 - 1 instance Jan Feb Mar Apr May Jun 26 Jul Aug Sep Oct Nov Dec 2020 - 4 instances Jan Feb Mar Apr May Jun 28 Jul 1 Aug Sep Oct Nov 12 15 Dec 2019 - 3 instances Jan Feb Mar Apr May Jun 22 Jul Aug Sep 18 Oct 26 Nov Dec 2018 - 6 instances Jan 5 2 Jan 5, 2018 2 instances 14:53:34 18:16:16 8 Feb Mar Apr May Jun 21 2 Jun 21, 2018 2 instances 16:31:13 23:59:37 26 Jul Aug Sep Oct Nov Dec 2017 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct 2 Nov Dec 25