|
| year | production | consumption |
| 1984 | 400.02 | 581.10 |
| 1985 | 398.38 | 584.57 |
| 1986 | 436.25 | 618.49 |
| 1987 | 447.02 | 695.75 |
| 1988 | 462.97 | 688.17 |
| 1989 | 484.51 | 683.51 |
| 1990 | 497.79 | 705.27 |
| 1991 | 568.42 | 852.61 |
| 1992 | 877.15 | 1,112.86 |
| 1993 | 802.85 | 1,021.47 |
| 1994 | 801.64 | 1,043.66 |
| 1995 | 820.55 | 1,096.59 |
| 1996 | 816.37 | 1,103.51 |
| 1997 | 839.18 | 1,131.03 |
| 1998 | 827.04 | 1,111.71 |
| 1999 | 837.08 | 1,160.81 |
| 2000 | 909.30 | 1,180.96 |
| 2001 | 885.51 | 1,263.46 |
| 2002 | 968.15 | 1,277.47 |
| 2003 | 1,024.11 | 1,310.67 |
| 2004 | 1,031.19 | 1,336.45 |
| 2005 | 1,062.38 | 1,377.95 |
| 2006 | 1,084.89 | 1,382.31 |
| 2007 | 995.30 | 1,423.43 |
| 2008 | 1,013.21 | 1,568.23 |
| 2009 | 1,024.44 | 1,526.85 |
| 2010 | 1,051.92 | 1,530.72 |
|
|
