Year kt 1990 422995.1111809999 1991 439263.966894 1992 444079.11975099996 1993 439002.8977309999 1994 427826.69453 1995 440978.7937289999 1996 471488.48467499996 1997 480961.29676999996 1998 498672.2055680001 1999 513957.12226900004 2000 535305.6836519999 2001 552602.3016170003 2002 555180.3922570002 2003 568905.423164 2004 593580.846363 2005 613656.760225 2006 636209.010212 2007 656370.1246790001 2008 671751.6322879998 2009 664423.1111079996 2010 702829.5372240002 2011 728389.037189 2012 722696.7999999997 2013 740501.77 2014 770366.0786000001 2015 783648.2299999999 2016 842208.09 2017 896141.5899999996 2018 921177.5800000002 2019 943700.3900000001 2020 910360.6359999999