| 1971 | 1976 | 1981 | ||
| Eigen vermogen x ƒ 1.000 | 38.638 | 99.554 | 172.857 | |
| Eigen vermogen in procenten van het totale vermogen | 56,3% | 45,5% | 50,7% | |
| Verhouding vlottende activa: kortlopende schulden | 1,51 : 1 | 0,92 : 1 | 1,14 : 1 | |
| Verhouding eigen vermogen: vreemd vermogen | 1,29 : 1 | 0,83 : 1 | 1,03 : 1 | |
| Netto-omzet x ƒ 1.000 | 117.397 | 315.840 | 479.176 | |
| Cash-flow x ƒ 1.000 | 9.883 | 29.983 | 42.777 | |
| Nettowinst x ƒ 1.000 | 6.164 | 17.861 | 18.538 | |
| Nettowinstmarge in procenten van de netto-omzet | 5,3% | 5,7% | 3,9% | |
| Gemiddelde netto-omzet per werknemer | 82.100 | 144.000 | 180.300 | |
| Personeel ultimo | 1.416 | 2.235 | 2.624 | |
| Rentabiliteit eigen vermogen | 16,0% | 17,9% | 10,7% | |
| Uitkeringspercentage | 32,4% | 27,9% | 39,1% | |
| Per aandeel van ƒ 0,50 nominaal: (afgerond op hele centen) | ||||
| Eigen vermogen | 0,97 | 2,19 | 3,81 | |
| Cash-flow | 0,25 | 0,66 | 0,94 | |
| Winst | 0,15 | 0,39 | 0,41 | |
| Dividend | 0,05 | 0,11 | 0,16 | |
| Laagste koers | 1,375* | 1,83 | 1,38 | |
| Hoogste koers | 2,55 | 1,73 | ||
| 1986 | 1987 | 1988 | 1989 |
| 320.016 | 355.473 | 401.395 | 458.676 |
| 54,1% | 58,2% | 61,2% | 55,4% |
| 1,18 : 1 | 1,30 :1 | 1,31 : 1 | 1,07 : 1 |
| 1,18 : 1 | 1,39 : 1 | 1,57 : 1 | 1,24 : 1 |
| 629.018 | 645.338 | 709.011 | 748.088 |
| 83.175 | 87.318 | 110.298 | 121.617 |
| 47.564 | 51.002 | 62.218 | 75.717 |
| 7,6% | 7,9% | 8,8% | 10,1% |
| 240.200 | 237.300 | 257.300 | 270.900 |
| 2.868 | 2.931 | 2.984 | 2.990 |
| 14,9% | 14,3% | 15,5% | 16,5% |
| 30,0% | 31,7% | 32,0% | 32,9% |
| 6,72 | 7,13 | 8,05 | 8,74 |
| 1,75 | 1,75 | 2,21 | 2,32 |
| 1,00 | 1,02 | 1,25 | 1,44 |
| 0,30** | 0,33 | 0,40** | 0,48 |
| 7,50 | 4,99 | 5,13 | 9,75 |
| 9,50 | 8,43 | 9,88 | 12,49 |
| 1990 | 1991 | 1992 | 1993 | 1994 |
| 516.590 | 563.487 | 610.755 | 658.536 | 722.404 |
| 59,6% | 63,9% | 71,2% | 68,2% | 69,1% |
| 1,15 :1 | 1,11 : 1 | 1,33 : 1 | 1,43 :1 | 1,87 : 1 |
| 1,47 :1 | 1,77 : 1 | 2,48 : 1 | 2,15 :1 | 2,23 : 1 |
| 774.957 | 790.058 | 803.589 | 1.048.712 | 1.092.584 |
| 126.557 | 125.657 | 128.964 | 172.137 | 184.581 |
| 80.074 | 72.621 | 70.057 | 77.006 | 91.425 |
| 10,3% | 9,2% | 8,7% | 7,3% | 8,4% |
| 277.700 | 277.800 | 281.900 | 252.300 | 266.500 |
| 3.067 | 3.103 | 3.079 | 4.573 | 4.551 |
| 15,5% | 12,9% | 11,5% | 11,7% | 12,7% |
| 32,1% | 35,4% | 36,7% | 41,9% | 35,9% |
| 9,84 | 10,73 | 11,63 | 12,54 | 13,76 |
| 2,41 | 2,39 | 2,46 | 3,28 | 3,52 |
| 1,53 | 1,38 | 1,34 | 1,47 | 1,74 |
| 0,49 | 0,49 | 0,49 | 0,62 | 0,63 |
| 9,63 | 9,75 | 10,13 | 11,50 | 18,85 |
| 13,38 | 12,94 | 11,81 | 19,88 | 25,06 |
| 1995 | 1996 | |
| 789.138 | 767.550 | Shareholders' equity x NLG 1,000 |
| 70,3% | 65,9% | Shareholders' equity as a percentage of total assets |
| 2,25 : 1 | 1,58 :1 | Current assets: short term liabilities |
| 2,37 : 1 | 1,93 : 1 | Shareholders' equity: borrowed capital |
| 1.151.505 | 1.283.228 | Net turnover x NLG 1,000 |
| 191.785 | 190.477 | Cash flow x NLG 1,000 |
| 101.312 | 84.602 | Net profit x NLG 1,000 |
| 8,8% | 6,6% | Net profit margin as a percentage of net turnover |
| 282.000 | 310.800 | Average net turnover per employee |
| 4.528 | 4.599 | Work force at year-end |
| 12,8% | 11,0% | Return on shareholders' equity |
| 35,0% | 42,2% | Pay out ratio |
| Per share of NLG 0.50 par value: (rounded off to full cents) | ||
| 15,03 | 14,62 | Shareholders' equity |
| 3,65 | 3,63 | Cash flow |
| 1,93 | 1,61 | Profit |
| 0,68 | 0,68 | Dividend |
| 21,50 | 32,25 | Price: low |
| 30,75 | 42,40 | Price: high |