| Year | Production 103 ton | National consumption 103 ton | Per capita consumption (kg/year) | Quantity of imports 103 ton | Daily domestic consumption ton |
| 2001 | 772 | 2.8 | 15.8 | 261 | 2.8 |
| 2002 | 801 | 2.6 | 14.3 | 154 | 2.6 |
| 2003 | 876 | 2.8 | 14.2 | 163 | 2.8 |
| 2004 | 865 | 3.0 | 15.6 | 221 | 3.0 |
| 2005 | 889 | 2.9 | 15.3 | 189 | 2.9 |
| 2006 | 971 | 3.2 | 16.6 | 208 | 3.2 |
| 2007 | 1008 | 3.5 | 17 | 259 | 3.5 |
| 2008 | 1068 | 3.3 | 15.6 | 137 | 3.3 |
| 2009 | 1093 | 3.3 | 15.9 | 136 | 3.3 |
| 2010 | 1305 | 4.2 | 19.7 | 257 | 4.2 |
| 2011 | 1362 | 4.2 | 19.1 | 182 | 4.2 |
| 2012 | 1372 | 4.6 | 20.6 | 335 | 4.6 |
| 2013 | 1454 | 4.6 | 19.7 | 236 | 4.6 |
| 2014 | 1482 | 5.0 | 20.8 | 355 | 5.0 |
| 2015 | 1519 | 4.9 | 20.2 | 296 | 4.9 |
| 2016 | 1706 | 5.4 | 21.6 | 311 | 5.4 |
| 2017 | 1823 | 5.9 | 22.7 | 367 | 5.9 |
| 2018 | 1935 | 6.1 | 23 | 324 | 6.1 |
| Annual average | 1238.9 | 4.01 | 18.2 | 243.9 | 4.01 |
| Min. limt | 772.0 | 2.6 | 14.2 | 136.0 | 2.6 |
| Max. limt | 1935.0 | 6.1 | 23.0 | 367.0 | 6.1 |
| Amount of change | 66.79** | 0.20** | 0.5** | 9.64** | 0.20** |
| Growth rate % | 5.4** | 5.1** | 2.8** | 3.9** | 5.1** |