42 instances from 9 years 2025 - 2 instances Jan Feb Mar Apr May Jun Jul Aug 28 25 Sep Oct Nov Dec 2024 - 1 instance Jan Feb Mar Apr May Jun Jul Aug 25 Sep Oct Nov Dec 2023 - 1 instance Jan Feb Mar Apr May Jun Jul Aug 25 Sep Oct Nov Dec 2022 - 3 instances Jan Feb 17 Mar Apr May 20 Jun Jul 24 Aug Sep Oct Nov Dec 2021 - 12 instances Jan 29 27 26 17 11 3 Feb 15 8 1 Mar Apr May Jun Jul Aug 15 Sep Oct Nov 19 Dec 16 2020 - 13 instances Jan Feb 19 Mar Apr May 27 Jun Jul 18 Aug 20 Sep Oct Nov 23 18 16 9 1 Dec 28 20 13 2 2019 - 6 instances Jan Feb 5 Mar Apr May 9 Jun Jul Aug 10 Sep Oct Nov 16 Dec 11 2 2018 - 2 instances Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov 17 Dec 7 2017 - 2 instances Jan Feb 1 Mar Apr May Jun Jul Aug Sep Oct Nov Dec 5