Natural gas
- Jul- 2023 -21 July
- May- 2023 -3 May
- Apr- 2023 -8 April
- Jan- 2023 -26 January
- Sep- 2022 -7 September
- Nov- 2020 -23 November
- Apr- 2019 -12 April
- Mar- 2019 -15 March
- Feb- 2019 -26 February
- Oct- 2018 -8 October
- Jun- 2018 -11 June
- Sep- 2017 -26 September
