19 instances from 7 years 2023 - 1 instance Jan Feb Mar 24 Apr May Jun Jul Aug Sep Oct Nov Dec 2021 - 1 instance Jan 24 Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2020 - 4 instances Jan 18 Feb 12 Mar Apr May Jun 28 Jul Aug Sep Oct Nov 13 Dec 2019 - 4 instances Jan Feb 27 Mar 5 7 Apr May Jun Jul Aug Sep Oct 26 Nov Dec 2018 - 3 instances Jan Feb Mar Apr May Jun 21 22 26 Jul Aug Sep Oct Nov Dec 2017 - 5 instances Jan 6 Feb Mar Apr May Jun 21 2 Jun 21, 2017 2 instances 16:15:44 18:51:32 Jul Aug Sep Oct 2 Nov Dec 26 2016 - 1 instance Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 29