| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 25 May 1981 | USD | 16.375 | 16.375 | 16.375 | 16.375 | 3.6043 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 16.375 | 16.499 | 16.375 | 16.375 | 3.6043 | +0.125 (+0.77%) | 21,901 |
| 21 May 1981 | USD | 16.25 | 16.375 | 16.25 | 16.25 | 3.5768 | +0.626 (+4.01%) | 68,500 |
| 20 May 1981 | USD | 15.624 | 15.75 | 15.624 | 15.624 | 3.439 | +0.125 (+0.81%) | 19,301 |
| 19 May 1981 | USD | 15.499 | 15.624 | 15.499 | 15.499 | 3.4115 | 0.0 (0.0%) | 8,001 |
| 18 May 1981 | USD | 15.499 | 15.75 | 15.499 | 15.499 | 3.4115 | 0.0 (0.0%) | 47,301 |
| 15 May 1981 | USD | 15.499 | 15.624 | 15.499 | 15.499 | 3.4115 | +0.126 (+0.82%) | 23,201 |
| 14 May 1981 | USD | 15.373 | 15.499 | 15.373 | 15.373 | 3.3837 | +0.124 (+0.81%) | 170,801 |
| 13 May 1981 | USD | 15.249 | 15.499 | 15.249 | 15.249 | 3.3564 | -0.501 (-3.18%) | 122,702 |
| 12 May 1981 | USD | 15.75 | 15.874 | 15.75 | 15.75 | 3.4667 | -0.124 (-0.78%) | 11,801 |
| 11 May 1981 | USD | 15.874 | 16.001 | 15.874 | 15.874 | 3.494 | 0.0 (0.0%) | 8,201 |
| 8 May 1981 | USD | 15.874 | 16.124 | 15.874 | 15.874 | 3.494 | -0.127 (-0.79%) | 2,000 |
| 7 May 1981 | USD | 16.001 | 16.25 | 16.001 | 16.001 | 3.522 | -0.123 (-0.76%) | 10,202 |
| 6 May 1981 | USD | 16.124 | 16.25 | 16.124 | 16.124 | 3.549 | +0.123 (+0.77%) | 15,501 |
| 5 May 1981 | USD | 16.001 | 16.124 | 16.001 | 16.001 | 3.522 | -0.249 (-1.53%) | 42,201 |
| 4 May 1981 | USD | 16.25 | 16.375 | 16.25 | 16.25 | 3.5768 | -0.125 (-0.76%) | 15,101 |
| 1 May 1981 | USD | 16.375 | 16.499 | 16.375 | 16.375 | 3.6043 | +0.125 (+0.77%) | 60,600 |
| 30 Apr 1981 | USD | 16.25 | 16.375 | 16.25 | 16.25 | 3.5768 | 0.0 (0.0%) | 18,100 |
| 29 Apr 1981 | USD | 16.25 | 16.375 | 16.25 | 16.25 | 3.5768 | +0.249 (+1.56%) | 12,400 |
| 28 Apr 1981 | USD | 16.001 | 16.124 | 16.001 | 16.001 | 3.522 | -0.374 (-2.28%) | 40,401 |
| 27 Apr 1981 | USD | 16.375 | 16.499 | 16.375 | 16.375 | 3.6043 | -0.625 (-3.68%) | 34,301 |
| 24 Apr 1981 | USD | 17 | 17.124 | 17 | 17 | 3.7418 | 0.0 (0.0%) | 12,901 |
| 23 Apr 1981 | USD | 17 | 17.124 | 17 | 17 | 3.7418 | -0.124 (-0.72%) | 19,201 |
| 22 Apr 1981 | USD | 17.124 | 17.249 | 17.124 | 17.124 | 3.7691 | -0.125 (-0.72%) | 8,801 |
| 21 Apr 1981 | USD | 17.249 | 17.373 | 17.249 | 17.249 | 3.7966 | 0.0 (0.0%) | 4,101 |
| 20 Apr 1981 | USD | 17.249 | 17.373 | 17.249 | 17.249 | 3.7966 | 0.0 (0.0%) | 31,301 |
| 17 Apr 1981 | USD | 17.249 | 17.249 | 17.249 | 17.249 | 3.7966 | 0.0 (0.0%) | 0 |
| 16 Apr 1981 | USD | 17.249 | 17.373 | 17.249 | 17.249 | 3.7966 | +0.249 (+1.46%) | 25,301 |
| 15 Apr 1981 | USD | 17 | 17.124 | 17 | 17 | 3.7418 | -0.124 (-0.72%) | 5,202 |
| 14 Apr 1981 | USD | 17.124 | 17.249 | 17.124 | 17.124 | 3.7691 | -0.125 (-0.72%) | 22,201 |
