| Industry | 2007 | 2008 |
| C21 Pharmaceuticals, medicinal chemicals and botanical products | 3.44 | 4.45 |
| C26 Electronic components, computer, radio, television and communication equipment and apparatuses | 5.29 | 4.94 |
| C28 Electrical equipment | 1.45 | 1.55 |
| C29 Other machinery and equipment | 1.52 | 1.76 |
| C30 Motor vehicles, trailers and semitrailers | 1.94 | 1.96 |
| J Information and communications | 1.94 | 2.72 |