year emissions
1990 856284.0
1991 862069.0
1992 892207.0
1993 901165.0
1994 910737.0
1995 928692.0
1996 959729.0
1997 975122.0
1998 1010343.0
1999 1037234.0
2000 1039223.0
2001 1050454.0
2002 1058716.0
2003 1072117.0
2004 1099168.0
2005 1106771.0
2006 1119675.0
2007 1133774.0
2008 1109715.0
2009 1071696.0
2010 1066594.0
2011 1058082.0
2012 1026748.0
2013 1020927.0
2014 1030845.0
2015 1051776.0
2016 1079529.0