| year | pollutant_name | emissions | emissions_idx | index |
|---|---|---|---|---|
| 1990 | SOx excluding international shipping | 1016.0 | 1016.0 | 100.0 |
| 1991 | SOx excluding international shipping | 970.0 | 1016.0 | 95.5 |
| 1992 | SOx excluding international shipping | 988.0 | 1016.0 | 97.2 |
| 1993 | SOx excluding international shipping | 977.0 | 1016.0 | 96.2 |
| 1994 | SOx excluding international shipping | 945.0 | 1016.0 | 93.0 |
| 1995 | SOx excluding international shipping | 823.0 | 1016.0 | 81.0 |
| 1996 | SOx excluding international shipping | 770.0 | 1016.0 | 75.8 |
| 1997 | SOx excluding international shipping | 610.0 | 1016.0 | 60.0 |
| 1998 | SOx excluding international shipping | 622.0 | 1016.0 | 61.2 |
| 1999 | SOx excluding international shipping | 597.0 | 1016.0 | 58.8 |
| 2000 | SOx excluding international shipping | 491.0 | 1016.0 | 48.3 |
| 2001 | SOx excluding international shipping | 481.0 | 1016.0 | 47.3 |
| 2002 | SOx excluding international shipping | 426.0 | 1016.0 | 41.9 |
| 2003 | SOx excluding international shipping | 444.0 | 1016.0 | 43.7 |
| 2004 | SOx excluding international shipping | 405.0 | 1016.0 | 39.9 |
| 2005 | SOx excluding international shipping | 326.0 | 1016.0 | 32.1 |
| 2006 | SOx excluding international shipping | 346.0 | 1016.0 | 34.1 |
| 2007 | SOx excluding international shipping | 343.0 | 1016.0 | 33.8 |
| 2008 | SOx excluding international shipping | 195.0 | 1016.0 | 19.2 |
| 2009 | SOx excluding international shipping | 200.0 | 1016.0 | 19.7 |
| 2010 | SOx excluding international shipping | 167.0 | 1016.0 | 16.4 |
| 2011 | SOx excluding international shipping | 166.0 | 1016.0 | 16.3 |
| 2012 | SOx excluding international shipping | 147.0 | 1016.0 | 14.5 |
| 2013 | SOx excluding international shipping | 138.0 | 1016.0 | 13.6 |
| 2014 | SOx excluding international shipping | 121.0 | 1016.0 | 11.9 |