To get the monthly prices for the year 2017 click here
To get the monthly prices for the year 2018 click here
To get the monthly prices for the year 2019 click here
To get the monthly prices for the year 2020 click here
To get the monthly prices for the year 2021 click here
To get the monthly prices for the year 2022 click here
To get the monthly prices for the year 2023 click here