Table
| Holdings with drying plant for grain, total | Holdings with drying plant for grain, unheated air drier | Holdings with drying plant for grain, heated air drier | Holdings with drying plant for hay | |
|---|---|---|---|---|
| 1999 | 14 367 | 12 483 | 3 846 | 10 631 |
| 2013 | 8 400 | 7 000 | 2 700 | 6 400 |
| 2013 | ||||
| Eastern Norway | 6 600 | 5 200 | 2 500 | 3 900 |
| Western Norway | : | : | - | 1 100 |
| Agder and Rogaland | - | : | : | 400 |
| Trøndelag | 1 700 | 1 600 | 200 | 700 |
| Northern Norway | : | : | : | 300 |