Year	kt
2002	1037.1836783903886
2003	990.3053200450604
2004	1189.5383430127058
2005	1037.1836783903886
2006	1171.9589586332077
2007	1599.7239785343281
2008	1523.5466462231698
2009	1775.5178223293096
2010	1769.6580275361434
2011	2232.58181619626
2012	2127.1055099192718
2013	2045.0683828149467
2014	2642.7674517178825
2015	2858.6110085314945
2016	3632.4891268632255