|
Loading...
| year | production | consumption |
| 1980 | 7.80 | 4.55 |
| 1981 | 8.40 | 4.67 |
| 1982 | 7.82 | 4.87 |
| 1983 | 8.39 | 4.91 |
| 1984 | 9.28 | 5.20 |
| 1985 | 9.66 | 5.39 |
| 1986 | 10.14 | 5.56 |
| 1987 | 10.64 | 5.79 |
| 1988 | 10.42 | 6.06 |
| 1989 | 11.14 | 6.47 |
| 1990 | 12.06 | 6.84 |
| 1991 | 12.96 | 7.02 |
| 1992 | 13.43 | 7.24 |
| 1993 | 13.86 | 7.80 |
| 1994 | 14.44 | 7.93 |
| 1995 | 15.24 | 8.27 |
| 1996 | 15.91 | 8.82 |
| 1997 | 16.60 | 9.07 |
| 1998 | 16.90 | 8.84 |
| 1999 | 17.41 | 9.43 |
| 2000 | 17.95 | 9.72 |
| 2001 | 18.08 | 9.91 |
| 2002 | 19.15 | 10.24 |
| 2003 | 19.07 | 10.23 |
| 2004 | 19.30 | 11.04 |
| 2005 | 20.15 | 11.40 |
| 2006 | 20.72 | 11.88 |
| 2007 | 22.17 | 12.23 |
| 2008 | 22.16 | 12.34 |
| 2009 | 23.94 | 13.02 |
| 2010 | 27.68 | 13.39 |
| 2011 | 28.66 | 12.82 |
| 2012 | 29.40 | 13.20 |
| 2013 | 25.59 | 13.14 |
|
|