Table
| Index of production. Seasonally adjusted | Index of production. Calendar adjusted1 | Weights2 | ||
|---|---|---|---|---|
| Monthly change | Three-month change | Twelve-month change | ||
| February 2018 / January 2018 | December 2017 - February 2018 / September 2017 - November 2017 | February 2018 / February 2017 | ||
| 1Adjusted for working-days and for public holidays in Norway. | ||||
| 2The weights are updated annually, and are valid for the entire year. | ||||
| Extraction, mining, manufacturing and elec | -0.3 | 1.8 | 1.8 | 100.0 |
| Extraction and related services | -2.2 | -0.3 | -4.3 | 61.8 |
| Mining and quarrying | -12.1 | 3.5 | -14.5 | 0.7 |
| Manufacturing | 0.2 | 0.3 | 0.2 | 29.8 |
| Food, beverage and tobacco | 2.7 | -1.4 | -1.6 | 6.4 |
| Refined petro., chemicals, pharmac. | -1.4 | -0.7 | -3.6 | 4.1 |
| Basic metals | -2.5 | 1.1 | -1.8 | 1.7 |
| Machinery and equipment | 1.0 | -0.3 | -0.4 | 2.2 |
| Ships, boats and oil platforms | 3.7 | 4.0 | 11.0 | 2.1 |
| Electricity, gas and steam | 8.6 | 1.0 | 12.6 | 7.7 |