Bar chart depicting the tons of NOx emissions over the years 2012 to 2024.
- 2012: approximately 101,000 tons
- 2013: approximately 108,000 tons
- 2014: approximately 107,000 tons
- 2015: approximately 77,000 tons
- 2016: approximately 83,000 tons
- 2017: approximately 78,000 tons
- 2018: approximately 80,000 tons
- 2019: approximately 73,000 tons
- 2020: approximately 76,000 tons
- 2021: approximately 76,000 tons
- 2022: approximately 74,000 tons
- 2023: approximately 59,000 tons
- 2024: approximately 56,000 tons
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