Year	Mt of CO2 equivalent
1990	-44.87053195463337
1991	-56.31372027940004
1992	-60.65110365126672
1993	-60.25881162513338
1994	-62.19764449696673
1995	-61.83620970083339
1996	-62.429153089933386
1997	-64.33720968350006
1998	-65.63980142800007
1999	-66.44687363283337
2000	-67.55756872506673
2001	-72.12380837456672
2002	-68.80170491200006
2003	-67.56323699573339
2004	-75.1037475736334
2005	-69.53260373051674
2006	-75.93542022330007
2007	-76.2740006401317
2008	-80.57971156062715
2009	-82.52827775658393