| Year | Production | Imports | Exports | Losses | Closing stock | Domestic use | Domestic consumption | |
|---|---|---|---|---|---|---|---|---|
| total | per capita | |||||||
| tousand tonnes | kg | |||||||
| 1970 | 1 301.4 | 0.3 | 15.9 | 0.9 | 54.3 | 1 287.8 | 1 281.9 | 124.1 |
| 1975 | 1 259.5 | 1.0 | 17.4 | 0.6 | 58.6 | 1 248.7 | 1 243.4 | 117.9 |
| 1980 | 1 226.0 | 2.9 | 18.9 | 0.5 | 52.0 | 1 219.9 | 1 196.9 | 111.8 |
| 1981 | 1 221.0 | 2.5 | 23.5 | 0.6 | 52.2 | 1 199.2 | 1 175.9 | 109.9 |
| 1982 | 1 239.0 | 3.9 | 33.3 | 0.6 | 70.4 | 1 190.8 | 1 168.9 | 109.4 |
| 1983 | 1 207.0 | 3.4 | 37.9 | 1.0 | 68.1 | 1 173.8 | 1 150.5 | 108.0 |
| 1984 | 1 193.0 | 4.4 | 29.5 | 1.0 | 60.7 | 1 174.3 | 1 143.5 | 107.7 |
| 1985 | 1 193.2 | 6.1 | 38.1 | 0.7 | 57.5 | 1 163.7 | 1 132.5 | 107.1 |
| 1986 | 1 201.9 | 5.2 | 44.6 | 0.9 | 64.6 | 1 154.5 | 1 120.1 | 106.3 |
| 1987 | 1 216.9 | 4.8 | 42.2 | 0.7 | 63.3 | 1 180.1 | 1 135.7 | 108.3 |
| 1988 | 1 194.6 | 3.8 | 51.5 | 0.8 | 54.5 | 1 154.9 | 1 100.0 | 105.3 |
| 1989 | 1 231.0 | 2.9 | 56.6 | 0.5 | 54.1 | 1 177.2 | 1 120.3 | 107.7 |
| 1990 | 1 247.6 | 2.7 | 68.3 | 0.6 | 37.0 | 1 198.5 | 1 101.1 | 106.1 |
| 1991 | 1 192.3 | .. | .. | 1.1 | 29.9 | 1 092.7 | 1 011.0 | 97.4 |
| 1992 | 1 318.2 | 6.3 | 193.4 | 13.8 | 32.6 | 1 114.6 | 1 036.6 | 100.0 |
| 1993 | 987.4 | 6.9 | 16.3 | 12.2 | 32.7 | 965.7 | 950.7 | 91.8 |
| 1994 | 963.4 | 7.3 | .. | .. | 26.6 | 900.9 | 895.0 | 86.5 |
| 1995 | 1 234.2 | 2.7 | .. | .. | 25.6 | 863.2 | 860.2 | 83.3 |
| 1996 | 1 075.7 | 3.8 | .. | .. | 51.2 | 823.9 | 823.9 | 79.8 |
| 1997 | 1 117.9 | 5.2 | .. | .. | 46.0 | 868.3 | 852.2 | 82.8 |
| 1998 | 984.3 | 7.9 | 149.8 | 19.9 | 54.5 | 814.0 | 814.0 | 79.3 |
| 1999 | 1 026.4 | 9.8 | 138.8 | 23.5 | 43.5 | 884.8 | 865.3 | 84.5 |
| 2000 | 1 091.1 | 12.3 | 175.6 | 7.1 | 43.6 | 920.7 | 913.3 | 89.4 |
| 2001 | 1 041.7 | 11.5 | 127.8 | 7.1 | 38.8 | 923.1 | 918.2 | 90.1 |
| 2002 | 900.2 | 20.1 | 89.2 | 6.2 | 29.9 | 833.7 | 829.8 | 81.7 |
| 2003 | 956.4 | 25.6 | 142.8 | 5.4 | 28.6 | 835.1 | 831.0 | 82.0 |
| 2004 | 857.8 | 44.4 | 49.6 | 5.2 | 29.8 | 846.2 | 842.1 | 83.3 |
| 2005 | 904.2 | 67.6 | 32.2 | 6.7 | 36.6 | 926.1 | 920.4 | 91.2 |
| 2006 | 865.9 | 66.6 | 73.3 | 5.0 | 21.5 | 869.3 | 865.7 | 86.0 |
| 2007 | 901.2 | 71.3 | 122.7 | 5.2 | 28.9 | 837.2 | 829.0 | 82.4 |
| 2008 | 917.6 | 80.1 | 152.6 | 5.5 | 27.7 | 840.8 | 832.3 | 82.9 |
| 2009 | 934.6 | 75.5 | 166.3 | 5.6 | 30.6 | 835.3 | 827.0 | 82.5 |
| 2010 | 911.5 | 83.0 | 158.0 | 5.4 | 21.6 | 840.1 | 831.7 | 83.2 |
| 2011 | 910.8 | 110.4 | 205.9 | 4.3 | 23.8 | 808.8 | 800.8 | 80.3 |
| 2012 | 909.6 | 124.8 | 210.2 | 4.4 | 31.5 | 812.1 | 803.9 | 81.0 |
| 2013 | 945.0 | 109.3 | 235.3 | 4.6 | 32.4 | 813.5 | 805.4 | 81.4 |
| 2014 | 946.7 | 106.4 | 250.0 | 4.5 | 32.8 | 798.2 | 790.3 | 80.1 |
| 2015 | 940.7 | 113.9 | 264.3 | 4.4 | 30.2 | 788.5 | 780.7 | 79.3 |
| 2016 | 959.0 | 122.4 | 250.8 | 4.5 | 34.9 | 821.3 | 813.0 | 82.8 |
| 2017 | 984.5 | 126.2 | 264.9 | 4.6 | 35.8 | 840.3 | 831.9 | 85.0 |
| 2018 | 965.6 | 153.7 | 268.0 | 4.5 | 36.1 | 846.5 | 838.0 | 85.7 |
| 2019 | 989.8 | 155.7 | 297.4 | 4.6 | 35.1 | 844.5 | 836.1 | 85.6 |