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| DMU | Overall efficiency | Electricity consumption | Motor vehicles | Suspended particles | SOx | NOx | Average household distributable income |
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| New Taipei City | Dropped from 11th place in 2013 to 15th place in 2015 | Maintained 12th or 13th place | In last place all 4 years (19th) | 7th in 2012 and 2013 and dropped to 8th place in 2014 and 2015 | 10th in 2012 and 2014 and dropped to 11th place in 2013 and 2015 | 10th in 2012 and 2014 and dropped to 11th place in 2013 and 2015 | 14th in 2012, progressed to 11th place in 2013, retired to 13th place in 2014, and regressed to 15th place in 2015 |
| Taipei City | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years |
| Taoyuan City | Continued to improve slightly from 10th in 2012 to 8th in 2015 | Last place in the 4 years (19th place) | 13th place in the 4 years | 12th in 2012 and 2013 and progressed to 10th place in 2014 and 2015 | 15th in 2012 and 2015 and progressed to 14th in 2013 and 2014 | 14th in 2012 and regressed to 15th place in 2013, 2014, and 2015 | 10th place in 2012, progressed to 7th place in 2013 and regressed to 8th place in 2014 and 2015 |
| Taichung City | Continued improving from 17th in 2012 to 13th in 2015 | 4th in 2012, 2013, and 2015 | 16th in 2012 and 2013 and to 17th place in 2014 and 2015 | 15th place in the 4 years | 16th in 2012, 2013, and 2015 and progressed to 15th in 2014 | 15th place in 2012, while 2013, 2014, and 2015 all regressed to 16th place | 17th in 2012 (3rd last), progressed to 12th place in 2013 and 2014, and regressed to 13th place in 2015 |
| Tainan City | Last place in 2012, 2014, and 2015 | Third to last place in 2012, 2013, and 2014 and second to last in 2015 | 15th in the 4 years | 11th in 2012 and 2013 and 12th in 2014 and 2015 | 12th in 2012, 2013, and 2015 and 11th in 2014 | 8th place in 2012, 10th place in 2013, and 9th place in 2014 and 2015 | Last (19th place) in 2012, 2014, and 2015 and 17th in 2013 |
| Kaohsiung City | In 2013 it slipped from 13th | Last in 2012, 2013, and 2014 and progressed to third from last in 2015 | 18th in the 4 years | 18th in the 4 years | 19th in 2012, 2013 and 2015, progressing to 18th place in 2014 | 17th in 2012 and 2015 and 18th place in 2013 and 2014 | 16th in 2012 and 2015, 13th in 2013, and 14th in 2014 |
| Yilan County | Average 6th place. | 14th in 2012, 2013, and 2014, progressing to 12th place in 2015 | 6th in 2012 and 2013 and 7th in 2014 and 2015 | 17th place in the 4 years | 13th in 2012, 2013, and 2015 and to 12th in 2014 | 13th in 2012 and 14th in 2013, 2014, and 2015 | Average 7th place |
| Hsinchu County | Average 7th place | 1st place in the 4 years | 7th in 2012 and 2013 and 8th in 2014 and 2015 | 6th place in the 4 years | Average 7th place | 7th place in 2012, 2013, and 2015 and 11th place in 2014 | 6th in 2012, 2013, and 2014 and 7th in 2015 |
| Miaoli County | Continued improvement from 11th in 2012 to 9th in 2014 | Average 13th place | 9th place in the 4 years | 10th in 2012 and 2013 and 11th in 2014 and 2015 | 11th in 2012, progressed to 9th in 2013, progressed to 8th in 2014, and returned to 9th in 2015 | 12th in 2012, while 2013, 2014, and 2015 all regressed to 13th | Average 10th place |
| Changhua County | Second to last place in 2013, 2014, and 2015 | 1st in 2013 and 2015, but 11th in 2012 and 2014 | 14th in the 4 years | 9th in 2012, progressed to 8th in 2013, and progressed to 7th in 2014 and 2015 | 9th in 2012 and 2014, but regressed to 10th in 2013 and 2015 | Last place in 2012 (19th), progressed to 9th in 2013, progressed to 8th in 2014, and backtracked to 10th in 2015 | 15th in 2012, while 2013, 2014, and 2015 all regressed to 18th |
| Nantou County | 11th on average | 1st place in the 4 years | 10th in the 4 years | 13th in the 4 years | 6th in 2012, 2013, and 2015 and progressed to 5th in 2014 | 6th in the 4 years | 11th on average |
| Yunlin County | 17th on average | 1st place in the 4 years | 12th in the 4 years | 14th in the 4 years | 17th in 2012, 2013, and 2015 and progressed to 16th in 2014 | 16th in 2012, 17th in 2013 and 2014, and 18th in 2015 | 18th in 2012, retraced to 19th (last) in 2013, progressed to 15th in 2014, and regressed to 17th in 2015 |
| Chiayi County | 12th on average | 1st place in the 4 years | 11th in 4 years | 11th place in 2012 and 9th in 2013, 2014, and 2015 | 14th on average | 11th in 2012 and 12th in 2013, 2014, and 2015 | 12th in 2012, 15th in 2013, 17th in 2014, and 11th in 2015 |
| Pingtung County | 16th on average | 1st place in the 4 years | 17th in 2012 and 2013 and 16th in 2014 and 2015 | 16th place in the 4 years | 7th in 2012 and 2014 and regressed to 8th in 2013 and 2015 | 8th on average | 13th in 2012, 16th in 2013 and 2014, and 14th in 2015 |
| Taitung County | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 | 1st place in the 4 | 1st place in the 4 | 1st place in the 4 | 1st place in the 4 |
| Hualien County | 10th on average | 15th in 2012, 2013, and 2014 | 8th in 2012 and 2013 and progressed to 6th in 2014 and 2015 | Last place in the 4 years (19th) | 18th place in 2012, 2013, and 2015 and 17th place in 2014 | 18th in 2012 and 19th in 2013, 2014, and 2015 | 9th in 2012, 2013, and 2015 and 11th in 2014 |
| Keelung City | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in 2012, 2013, and 2015, but regressed to 19th (last) in 2014 | 1st place in the 4 years | 1st place in the 4 years |
| Hsinchu City | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years |
| Chiayi City | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years | 1st place in the 4 years |
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