| in € mill | 2008 | 2007 | 2006 | |||
| Revenues | 56.5 | 51.5 | 52.1 | |||
| Annual growth | +10% | -1% | +16% | |||
| Gross result | 27.9 | 25.3 | 27.3 | |||
| Gross margin | 49% | 49% | 52% | |||
| EBITDA | 11.0 | 9.6 | 11.8 | |||
| EBIT | 3..4 | 2.4 | 5.5 | |||
| EBT | 2.9 | 1.8 | 4.9 | |||
| Number of shares | 3.5 mill. | 3.5 mill. | 3.5 mill. | |||
| Result per share | 0.59 € | 0.31 € | 0.85 € | |||
| R&D margin | 14% | 13% | 14% | |||