The Efficiency of Economic Performance, Electricity Consumption, and Environmental Pollutants in Taiwan

Table 7

PM_2.5 emission efficiency in counties and cities of Taiwan from 2012 to 2015.

PM2.5
DMU	2012	2013	2014	2015
New Taipei City	0.3001	0.2960	0.2970	0.2981
Taipei City	1	1	1	1
Taoyuan City	0.2493	0.2475	0.2535	0.2568
Taichung City	0.2111	0.1964	0.1981	0.2016
Tainan City	0.2585	0.2499	0.2504	0.2534
Kaohsiung City	0.1609	0.1615	0.1616	0.1635
Yilan County	0.1969	0.1644	0.1673	0.1671
Hsinchu County	0.4408	0.4068	0.4029	0.4078
Miaoli County	0.2752	0.2552	0.2526	0.2545
Changhua County	0.2788	0.2940	0.3004	0.3034
Nantou County	0.2243	0.2224	0.2214	0.2211
Yunlin County	0.2175	0.2028	0.2032	0.2068
Chiayi County	0.2818	0.2788	0.2785	0.2806
Pingtung County	0.1992	0.1803	0.1800	0.1800
Taitung County	1	1	1	1
Hualien County	0.0874	0.0852	0.0840	0.0829
Keelung City	1	1	1	1
Hsinchu City	1	1	1	1
Chiayi City	1	1	1	1
Average value	0.4411	0.4337	0.4343	0.4357
Standard deviation	0.3405	0.3444	0.3441	0.3434