| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 29 May 1981 | USD | 34.126 | 34.374 | 34.126 | 34.126 | 6.7409 | +0.126 (+0.37%) | 501 |
| 28 May 1981 | USD | 34 | 34 | 34 | 34 | 6.716 | 0.0 (0.0%) | 0 |
| 27 May 1981 | USD | 34 | 34 | 34 | 34 | 6.716 | 0.0 (0.0%) | 301 |
| 26 May 1981 | USD | 34 | 34 | 34 | 34 | 6.716 | +0.248 (+0.73%) | 1,001 |
| 25 May 1981 | USD | 33.752 | 33.752 | 33.752 | 33.752 | 6.6671 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 33.752 | 33.752 | 33.752 | 33.752 | 6.6671 | -0.248 (-0.73%) | 601 |
| 21 May 1981 | USD | 34 | 34 | 33.752 | 34 | 6.716 | 0.0 (0.0%) | 901 |
| 20 May 1981 | USD | 34 | 34 | 34 | 34 | 6.716 | +0.248 (+0.73%) | 101 |
| 19 May 1981 | USD | 33.752 | 34.248 | 33.752 | 33.752 | 6.6671 | -0.248 (-0.73%) | 2,101 |
| 18 May 1981 | USD | 34 | 34 | 33.752 | 34 | 6.716 | 0.0 (0.0%) | 1,001 |
| 15 May 1981 | USD | 34 | 34 | 34 | 34 | 6.716 | 0.0 (0.0%) | 701 |
| 14 May 1981 | USD | 34 | 34 | 34 | 34 | 6.716 | 0.0 (0.0%) | 201 |
| 13 May 1981 | USD | 34 | 34 | 33.752 | 34 | 6.716 | +0.248 (+0.73%) | 601 |
| 12 May 1981 | USD | 33.752 | 34 | 33.752 | 33.752 | 6.6671 | 0.0 (0.0%) | 400 |
| 11 May 1981 | USD | 33.752 | 33.873 | 33.752 | 33.752 | 6.6671 | 0.0 (0.0%) | 901 |
| 8 May 1981 | USD | 33.752 | 33.873 | 33.752 | 33.752 | 6.6671 | +0.127 (+0.38%) | 1,301 |
| 7 May 1981 | USD | 33.625 | 33.625 | 33.625 | 33.625 | 6.642 | -0.127 (-0.38%) | 301 |
| 6 May 1981 | USD | 33.752 | 33.752 | 33.752 | 33.752 | 6.6671 | +0.253 (+0.76%) | 601 |
| 5 May 1981 | USD | 33.499 | 33.499 | 33.499 | 33.499 | 6.6171 | 0.0 (0.0%) | 0 |
| 4 May 1981 | USD | 33.499 | 33.752 | 33.499 | 33.499 | 6.6171 | -0.501 (-1.47%) | 501 |
| 1 May 1981 | USD | 34 | 34 | 34 | 34 | 6.716 | -0.248 (-0.72%) | 201 |
| 30 Apr 1981 | USD | 34.248 | 34.248 | 34 | 34.248 | 6.765 | +0.248 (+0.73%) | 2,201 |
| 29 Apr 1981 | USD | 34 | 34 | 34 | 34 | 6.716 | -0.126 (-0.37%) | 101 |
| 28 Apr 1981 | USD | 34.126 | 34.126 | 34.126 | 34.126 | 6.7409 | +0.126 (+0.37%) | 1,301 |
| 27 Apr 1981 | USD | 34 | 34 | 34 | 34 | 6.716 | 0.0 (0.0%) | 101 |
| 24 Apr 1981 | USD | 34 | 34.126 | 33.873 | 34 | 6.716 | 0.0 (0.0%) | 1,101 |
| 23 Apr 1981 | USD | 34 | 34 | 33.873 | 34 | 6.716 | +0.501 (+1.50%) | 701 |
| 22 Apr 1981 | USD | 33.499 | 33.499 | 32.749 | 33.499 | 6.6171 | +0.497 (+1.51%) | 1,701 |
| 21 Apr 1981 | USD | 33.002 | 33.251 | 33.002 | 33.002 | 6.5189 | -0.122 (-0.37%) | 400 |
| 20 Apr 1981 | USD | 33.124 | 33.124 | 33.124 | 33.124 | 6.543 | 0.0 (0.0%) | 0 |
