Start date 03 Sep 2019 30 Sep 2019 28 Oct 2019 25 Nov 2019 06 Jan 2020 03 Feb 2020 02 Mar 2020 30 Mar 2020 04 May 2020 01 Jun 2020 29 Jun 2020 27 Jul 2020 Duration 4 weeks (1 month) 8 weeks (2 months) 12 weeks 16 weeks 20 weeks 24 weeks 28 weeks 32 weeks 36 weeks 40 weeks 44 weeks 48 weeks (11 months)