Table 3 Ratios of regional aggregation to sectoral aggregation for three indicators of four pollutants, 1998–2015.
Data type | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
COD | Discharge | 1.00 | 1.01 | 1.01 | 1.15 | 1.13 | 1.16 | 1.13 | 1.12 | 1.17 | 1.13 | 1.13 | 1.16 | 1.19 | 1.10 | 1.11 | 1.12 | 1.13 | 1.15 |
Removal | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
Production | 1.01 | 1.06 | 1.06 | 1.06 | 1.07 | ||||||||||||||
SO2 | Discharge | 1.00 | 1.02 | 1.01 | 1.11 | 1.11 | 1.20 | 1.08 | 1.10 | 1.09 | 1.09 | 1.08 | 1.10 | 1.09 | 1.07 | 1.07 | 1.09 | 1.10 | 1.11 |
Removal | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.01 | 1.00 | 1.00 | 0.99 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
Production | 1.02 | 1.04 | 1.04 | 1.05 | 1.05 | ||||||||||||||
NH3-N | Discharge | 1.14 | 1.11 | 1.09 | 1.09 | 1.09 | 1.13 | 1.11 | 1.11 | 1.12 | 1.11 | 1.07 | 1.09 | 1.09 | 1.10 | 1.11 | |||
Removal | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||||||||
Production | 1.01 | 1.06 | 1.05 | 1.05 | 1.07 | ||||||||||||||
NOX | Discharge | 1.09 | 1.09 | 1.09 | 1.07 | 1.07 | 1.04 | 1.05 | 1.06 | 1.06 | 1.08 | ||||||||
Removal | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||||||||||
Production | 1.04 | 1.05 | 1.05 | 1.06 | 1.07 |
