| Revenus | 347 | 85 | 86 | 86 | 87 | 88 |
| Croissance des revenus (H/H) | -4% | -3% | -14% | 1% | 2% | 2% |
| Coût des ventes | 60 | 15 | 15 | 14 | 15 | 16 |
| Bénéfice brut | 286 | 70 | 71 | 72 | 72 | 72 |
| Vente, Général et Administration | 43 | 11 | 11 | 10 | 10 | 11 |
| Recherche et développement | -- | -- | -- | -- | -- | -- |
| Frais d'exploitation | 236 | 58 | 59 | 59 | 59 | 61 |
| Autres revenus (charges) non opérationnels | 3 | 1 | 0 | 0 | 0 | 0 |
| Bénéfice avant impôts | 105 | 2 | 30 | 43 | 29 | 19 |
| Charge d'impôt sur le revenu | 0 | 0 | 0 | 0 | 0 | 0 |
| Bénéfice net | 87 | -1 | 27 | 34 | 27 | 17 |
| Croissance du bénéfice net | 53% | -106% | -13% | 750% | 800% | -1,800% |
| Actions en circulation (diluées) | 58.16 | 58.16 | 58.78 | 58.53 | 58.44 | 58.45 |
| Variation des actions (H-H) | -1% | -1% | 1% | 0% | 0% | 0% |
| EPS (dilué) | 1.48 | -0.03 | 0.46 | 0.59 | 0.46 | 0.29 |
| Croissance du EPS | 54% | -111% | -13% | 639% | 683% | -1,085% |
| Flux de trésorerie libre | 101 | 28 | 24 | 18 | 30 | 28 |
| Flux de trésorerie libre par action | -- | -- | -- | -- | -- | -- |
| Marge brute | 82.42% | 82.35% | 82.55% | 83.72% | 82.75% | 81.81% |
| Marge opérationnelle | 14.4% | 12.94% | 13.95% | 15.11% | 13.79% | 11.36% |
| Marge bénéficiaire | 25.07% | -1.17% | 31.39% | 39.53% | 31.03% | 19.31% |
| Marge du flux de trésorerie libre | 29.1% | 32.94% | 27.9% | 20.93% | 34.48% | 31.81% |
| EBITDA | 243 | 57 | 59 | 62 | 61 | 60 |
| Marge EBITDA | 70.02% | 67.05% | 68.6% | 72.09% | 70.11% | 68.18% |
| D&A pour le résultat opérationnel | 193 | 46 | 47 | 49 | 49 | 50 |
| EBIT | 50 | 11 | 12 | 13 | 12 | 10 |
| Marge EBIT | 14.4% | 12.94% | 13.95% | 15.11% | 13.79% | 11.36% |
| Taux d'imposition effectif | 0% | 0% | 0% | 0% | 0% | 0% |
