| Year | Value (Mt/CO2) |
|---|---|
|
2022 |
5.47 |
|
2021 |
5.01 |
|
2020 |
4 |
|
2019 |
4.51 |
|
2018 |
4.2 |
|
2017 |
4.52 |
|
2016 |
4.44 |
|
2015 |
3.74 |
|
2014 |
3.7 |
|
2013 |
3.2 |
| Natural gas | 2.291 | Mt/CO2 (2022) |