|
Loading...
| year | production | consumption |
| 1980 | 5.77 | 1.58 |
| 1981 | 5.67 | 1.72 |
| 1982 | 5.25 | 1.74 |
| 1983 | 5.03 | 1.68 |
| 1984 | 5.06 | 1.71 |
| 1985 | 4.82 | 1.74 |
| 1986 | 5.22 | 1.88 |
| 1987 | 5.17 | 1.92 |
| 1988 | 5.58 | 1.93 |
| 1989 | 5.77 | 2.07 |
| 1990 | 6.32 | 2.10 |
| 1991 | 6.97 | 2.21 |
| 1992 | 6.97 | 2.22 |
| 1993 | 7.28 | 2.29 |
| 1994 | 7.72 | 2.44 |
| 1995 | 8.10 | 2.47 |
| 1996 | 8.64 | 2.57 |
| 1997 | 9.52 | 2.66 |
| 1998 | 9.50 | 2.86 |
| 1999 | 8.59 | 2.65 |
| 2000 | 9.42 | 2.77 |
| 2001 | 9.28 | 3.03 |
| 2002 | 8.21 | 2.94 |
| 2003 | 7.36 | 2.72 |
| 2004 | 8.11 | 2.93 |
| 2005 | 8.08 | 3.01 |
| 2006 | 8.05 | 3.25 |
| 2007 | 7.76 | 2.93 |
| 2008 | 7.81 | 3.14 |
| 2009 | 7.64 | 3.10 |
| 2010 | 7.34 | 3.01 |
| 2011 | 7.81 | 3.38 |
| 2012 | 7.73 | 3.27 |
| 2013 | 7.65 | 3.36 |
|
|