| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 3 Jun 1981 | USD | 20.5 | 21 | 20.5 | 20.5 | 10.25 | 0.0 (0.0%) | 1,600 |
| 2 Jun 1981 | USD | 20.5 | 21 | 20.5 | 20.5 | 10.25 | 0.0 (0.0%) | 4,500 |
| 1 Jun 1981 | USD | 20.5 | 21 | 20.5 | 20.5 | 10.25 | 0.0 (0.0%) | 1,000 |
| 29 May 1981 | USD | 20.5 | 21 | 20.5 | 20.5 | 10.25 | 0.0 (0.0%) | 1,900 |
| 28 May 1981 | USD | 20.5 | 21 | 20.5 | 20.5 | 10.25 | -0.25 (-1.20%) | 22,100 |
| 27 May 1981 | USD | 20.75 | 21 | 20.75 | 20.75 | 10.375 | 0.0 (0.0%) | 800 |
| 26 May 1981 | USD | 20.75 | 21 | 20.75 | 20.75 | 10.375 | 0.0 (0.0%) | 2,600 |
| 25 May 1981 | USD | 20.75 | 20.75 | 20.75 | 20.75 | 10.375 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 20.75 | 21 | 20.75 | 20.75 | 10.375 | 0.0 (0.0%) | 3,800 |
| 21 May 1981 | USD | 20.75 | 21 | 20.75 | 20.75 | 10.375 | 0.0 (0.0%) | 8,300 |
| 20 May 1981 | USD | 20.75 | 21 | 20.75 | 20.75 | 10.375 | 0.0 (0.0%) | 3,400 |
| 19 May 1981 | USD | 20.75 | 21 | 20.75 | 20.75 | 10.375 | 0.0 (0.0%) | 4,400 |
| 18 May 1981 | USD | 20.75 | 21.25 | 20.75 | 20.75 | 10.375 | +0.25 (+1.22%) | 7,000 |
| 15 May 1981 | USD | 20.5 | 21 | 20.5 | 20.5 | 10.25 | +0.25 (+1.23%) | 2,200 |
| 14 May 1981 | USD | 20.25 | 21 | 20.25 | 20.25 | 10.125 | 0.0 (0.0%) | 6,800 |
| 13 May 1981 | USD | 20.25 | 21 | 20.25 | 20.25 | 10.125 | 0.0 (0.0%) | 2,300 |
| 12 May 1981 | USD | 20.25 | 21 | 20.25 | 20.25 | 10.125 | 0.0 (0.0%) | 1,500 |
| 11 May 1981 | USD | 20.25 | 20.75 | 20.25 | 20.25 | 10.125 | +0.25 (+1.25%) | 5,300 |
| 8 May 1981 | USD | 20 | 20.75 | 20 | 20 | 10 | 0.0 (0.0%) | 200 |
| 7 May 1981 | USD | 20 | 20.75 | 20 | 20 | 10 | 0.0 (0.0%) | 1,100 |
| 6 May 1981 | USD | 20 | 20.75 | 20 | 20 | 10 | 0.0 (0.0%) | 3,000 |
| 5 May 1981 | USD | 20 | 20.75 | 20 | 20 | 10 | 0.0 (0.0%) | 4,500 |
| 4 May 1981 | USD | 20 | 20.75 | 20 | 20 | 10 | +0.25 (+1.27%) | 3,400 |
| 1 May 1981 | USD | 19.75 | 20.5 | 19.75 | 19.75 | 9.875 | 0.0 (0.0%) | 1,500 |
| 30 Apr 1981 | USD | 19.75 | 20.5 | 19.75 | 19.75 | 9.875 | 0.0 (0.0%) | 500 |
| 29 Apr 1981 | USD | 19.75 | 20.5 | 19.75 | 19.75 | 9.875 | 0.0 (0.0%) | 600 |
| 28 Apr 1981 | USD | 19.75 | 20.5 | 19.75 | 19.75 | 9.875 | +0.5 (+2.60%) | 5,400 |
| 27 Apr 1981 | USD | 19.25 | 20 | 19.25 | 19.25 | 9.625 | 0.0 (0.0%) | 2,700 |
| 24 Apr 1981 | USD | 19.25 | 20 | 19.25 | 19.25 | 9.625 | -0.25 (-1.28%) | 2,500 |
| 23 Apr 1981 | USD | 19.5 | 20 | 19.5 | 19.5 | 9.75 | +0.75 (+4%) | 9,100 |
