Year | Total | Agricultural | Other sources |
---|---|---|---|
2010 | 3.6 | 3.3 | 0.3 |
2011 | 3.5 | 3.3 | 0.2 |
2012 | 3.5 | 3.3 | 0.2 |
2013 | 3.5 | 3.3 | 0.2 |
2014 | 3.5 | 3.3 | 0.2 |
2015 | 3.6 | 3.3 | 0.2 |
2016 | 3.6 | 3.3 | 0.2 |
2017 | 3.6 | 3.4 | 0.2 |
2018 | 3.6 | 3.3 | 0.2 |
2019 | 3.5 | 3.3 | 0.2 |
2020 | 3.4 | 3.2 | 0.2 |