| Year | Domestic production 103 ton | Quantity of imports 103 ton | Consumption 103 ton | Gap 103 ton | Average per capita share (kg/year) | Self- sufficiency % |
| 2001 | 772 | 261 | 1032 | 260 | 15.8 | 74.8 |
| 2002 | 801 | 154 | 953 | 152 | 14.3 | 84.1 |
| 2003 | 876 | 163 | 1036 | 160 | 14.2 | 84.6 |
| 2004 | 865 | 221 | 1084 | 219 | 15.6 | 79.8 |
| 2005 | 889 | 189 | 1072 | 183 | 15.3 | 82.9 |
| 2006 | 971 | 208 | 1174 | 203 | 16.6 | 82.7 |
| 2007 | 1008 | 259 | 1263 | 255 | 17 | 79.8 |
| 2008 | 1068 | 137 | 1198 | 130 | 15.6 | 89.1 |
| 2009 | 1093 | 136 | 1206 | 113 | 15.9 | 90.6 |
| 2010 | 1305 | 257 | 1551 | 246 | 19.7 | 84.1 |
| 2011 | 1362 | 182 | 1535 | 173 | 19.1 | 88.8 |
| 2012 | 1372 | 335 | 1691 | 319 | 20.6 | 81.1 |
| 2013 | 1454 | 236 | 1670 | 216 | 19.7 | 87.1 |
| 2014 | 1482 | 355 | 1808 | 326 | 20.8 | 81.9 |
| 2015 | 1519 | 296 | 1795 | 276 | 20.2 | 84.6 |
| 2016 | 1706 | 311 | 1970 | 264 | 21.6 | 86.6 |
| 2017 | 1823 | 367 | 2154 | 331 | 22.7 | 84.6 |
| 2018 | 1935 | 324 | 2233 | 298 | 23 | 86.7 |
| Annual average | 1238.9 | 243.9 | 1468.1 | 229.1 | 18.2 | 84.1(1) |
| Min. limt | 772.0 | 136.0 | 953.0 | 113.0 | 14.2 | 74.8 |
| Maxi. limt | 1935.0 | 367.0 | 2233.0 | 331.0 | 23.0 | 90.6 |
| Amount of change | 66.79** | 9.64** | 74.3** | 7.5** | 0.5** | 0.3n |
| Growth rate % | 5.4** | 3.9** | 5.0** | 3.2* | 2.8* | 0.4n |