Year kt 1990 187593.35518100002 1991 179937.33689400004 1992 212230.63472299997 1993 229152.44814199998 1994 236402.735085 1995 246353.932767 1996 265641.433325 1997 287689.30758699996 1998 253441.722441 1999 237689.60474599997 2000 262141.26365199997 2001 278395.38161700004 2002 263874.392257 2003 265679.24316400004 2004 278603.66636300005 2005 280335.060225 2006 274848.6102120001 2007 267241.244679 2008 292301.012288 2009 299207.45110800007 2010 336938.477224 2011 354783.02718900004 2012 374390.53 2013 406440.32999999996 2014 419480.76 2015 423347.76999999996 2016 441959.8799999999 2017 455350.44999999995 2018 476743.5400000001 2019 506463.28 2020 469494.03600000014