Table
| Index of production. Seasonally adjusted | Index of production. Calendar adjusted1 | Weights2 | ||
|---|---|---|---|---|
| Monthly change | Three-month change | Twelve-month change | ||
| March 2018 / February 2018 | January 2018 - March 2018 / October 2017 - December 2017 | March 2018 / March 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 | -0.7 | 2.7 | 0.2 | 100.0 |
| Extraction and related services | -0.8 | 0.4 | -6.3 | 61.8 |
| Mining and quarrying | 15.4 | 6.7 | 11.9 | 0.7 |
| Manufacturing | -0.1 | -1.1 | 0.9 | 29.8 |
| Food, beverage and tobacco | 0.0 | -3.1 | -1.4 | 6.4 |
| Refined petro., chemicals, pharmac. | -6.6 | -4.6 | -15.4 | 4.1 |
| Basic metals | 0.4 | -1.5 | 4.0 | 1.7 |
| Machinery and equipment | 2.8 | 1.5 | 7.7 | 2.2 |
| Ships, boats and oil platforms | 4.5 | 6.4 | 21.1 | 2.1 |
| Electricity, gas and steam | -4.1 | 2.0 | 10.4 | 7.7 |