Year Production Import
1990 61.77871 0.7521
1991 63.84276 0.9475
1992 70.78461 0.949398
1993 71.33542 0.899824
1994 70.40599 0.727462
1995 66.68196 0.6285
1996 69.4923 0.878508
1997 70.73568 0.8148
1998 68.970245 1.121169
1999 70.085269 1.269487
2000 69.629649 1.431534
2001 68.285385 1.62073
2002 70.524591 1.855071
2003 75.048203 2.413735
2004 75.616297 2.47185
2005 76.035426 2.599765
2006 81.367493 3.142991
2007 80.240226 2.796485
2008 82.087139 2.986363
2009 84.321432 4.30026
2010 89.094985 3.96616
2011 93.224063 4.648026
2012 93.475273 4.941454
2013 96.354536 5.426295