| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 22 May 1991 | USD | 15.75 | 16 | 15.25 | 15.75 | 105 | -0.25 (-1.56%) | 85,100 |
| 21 May 1991 | USD | 16 | 16 | 16 | 16 | 106.6667 | +0.75 (+4.92%) | 300 |
| 20 May 1991 | USD | 15.25 | 15.75 | 15.25 | 15.25 | 101.6667 | -0.25 (-1.61%) | 12,400 |
| 17 May 1991 | USD | 15.5 | 15.5 | 15.5 | 15.5 | 103.3333 | +0.125 (+0.81%) | 100 |
| 16 May 1991 | USD | 15.375 | 15.75 | 15.25 | 15.375 | 102.5 | -0.125 (-0.81%) | 15,300 |
| 15 May 1991 | USD | 15.5 | 15.75 | 15.25 | 15.5 | 103.3333 | -0.75 (-4.62%) | 16,700 |
| 14 May 1991 | USD | 16.25 | 17 | 16.25 | 16.25 | 108.3333 | -0.25 (-1.52%) | 19,100 |
| 13 May 1991 | USD | 16.5 | 17.5 | 16.375 | 16.5 | 110 | -0.5 (-2.94%) | 86,800 |
| 10 May 1991 | USD | 17 | 18 | 17 | 17 | 113.3333 | -1 (-5.56%) | 13,800 |
| 9 May 1991 | USD | 18 | 18 | 17.75 | 18 | 120 | +0.125 (+0.70%) | 1,800 |
| 8 May 1991 | USD | 17.875 | 18 | 17.75 | 17.875 | 119.1667 | -0.125 (-0.69%) | 13,000 |
| 7 May 1991 | USD | 18 | 19.25 | 18 | 18 | 120 | -1 (-5.26%) | 10,200 |
| 6 May 1991 | USD | 19 | 19.25 | 19 | 19 | 126.6667 | -0.25 (-1.30%) | 1,600 |
| 3 May 1991 | USD | 19.25 | 19.25 | 19.25 | 19.25 | 128.3333 | -0.5 (-2.53%) | 2,300 |
| 2 May 1991 | USD | 19.75 | 20.5 | 19.75 | 19.75 | 131.6667 | -1 (-4.82%) | 10,600 |
| 1 May 1991 | USD | 20.75 | 20.75 | 20.75 | 20.75 | 138.3333 | 0.0 (0.0%) | 0 |
| 30 Apr 1991 | USD | 20.75 | 21 | 20.5 | 20.75 | 138.3333 | 0.0 (0.0%) | 1,200 |
| 29 Apr 1991 | USD | 20.75 | 21 | 20.5 | 20.75 | 138.3333 | +0.25 (+1.22%) | 180,400 |
| 26 Apr 1991 | USD | 20.5 | 20.5 | 20.5 | 20.5 | 136.6667 | 0.0 (0.0%) | 500 |
| 25 Apr 1991 | USD | 20.5 | 20.5 | 20.5 | 20.5 | 136.6667 | -0.75 (-3.53%) | 1,100 |
| 24 Apr 1991 | USD | 21.25 | 21.25 | 21.25 | 21.25 | 141.6667 | +0.25 (+1.19%) | 2,600 |
| 23 Apr 1991 | USD | 21 | 21.25 | 20.75 | 21 | 140 | 0.0 (0.0%) | 25,100 |
| 22 Apr 1991 | USD | 21 | 21.25 | 21 | 21 | 140 | +0.125 (+0.60%) | 8,000 |
| 19 Apr 1991 | USD | 20.875 | 21.25 | 20.5 | 20.875 | 139.1667 | +0.125 (+0.60%) | 8,300 |
| 18 Apr 1991 | USD | 20.75 | 20.75 | 20.625 | 20.75 | 138.3333 | -0.5 (-2.35%) | 56,300 |
| 17 Apr 1991 | USD | 21.25 | 21.25 | 21.25 | 21.25 | 141.6667 | 0.0 (0.0%) | 400 |
| 16 Apr 1991 | USD | 21.25 | 21.25 | 20.75 | 21.25 | 141.6667 | +0.375 (+1.80%) | 147,900 |
| 15 Apr 1991 | USD | 20.875 | 20.875 | 20.5 | 20.875 | 139.1667 | +0.375 (+1.83%) | 14,400 |
| 12 Apr 1991 | USD | 20.5 | 21.25 | 20.5 | 20.5 | 136.6667 | -0.5 (-2.38%) | 500 |
| 11 Apr 1991 | USD | 21 | 21 | 20.25 | 21 | 140 | +0.75 (+3.70%) | 4,100 |
