| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1981 | USD | 23 | 23 | 22.747 | 23 | 3.072 | 0.0 (0.0%) | 3,300 |
| 3 Jun 1981 | USD | 23 | 23.123 | 22.747 | 23 | 3.072 | +0.377 (+1.67%) | 5,400 |
| 2 Jun 1981 | USD | 22.623 | 23.123 | 22.623 | 22.623 | 3.0217 | -0.377 (-1.64%) | 9,401 |
| 1 Jun 1981 | USD | 23 | 23.123 | 22.623 | 23 | 3.072 | 0.0 (0.0%) | 7,201 |
| 29 May 1981 | USD | 23 | 23.123 | 22.747 | 23 | 3.072 | 0.0 (0.0%) | 2,501 |
| 28 May 1981 | USD | 23 | 23.376 | 22.876 | 23 | 3.072 | 0.0 (0.0%) | 6,300 |
| 27 May 1981 | USD | 23 | 23.123 | 22.747 | 23 | 3.072 | +0.124 (+0.54%) | 11,500 |
| 26 May 1981 | USD | 22.876 | 23.623 | 22.747 | 22.876 | 3.0555 | -0.5 (-2.14%) | 10,101 |
| 25 May 1981 | USD | 23.376 | 23.376 | 23.376 | 23.376 | 3.1223 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 23.376 | 23.623 | 23.252 | 23.376 | 3.1223 | +0.253 (+1.09%) | 9,000 |
| 21 May 1981 | USD | 23.123 | 23.123 | 22.253 | 23.123 | 3.0885 | +0.123 (+0.53%) | 11,400 |
| 20 May 1981 | USD | 23 | 23.499 | 22.747 | 23 | 3.072 | -0.499 (-2.12%) | 22,000 |
| 19 May 1981 | USD | 23.499 | 24.128 | 23.252 | 23.499 | 3.1387 | -0.124 (-0.52%) | 13,900 |
| 18 May 1981 | USD | 23.623 | 23.876 | 23.376 | 23.623 | 3.1553 | 0.0 (0.0%) | 15,801 |
| 15 May 1981 | USD | 23.623 | 23.876 | 23 | 23.623 | 3.1553 | 0.0 (0.0%) | 28,601 |
| 14 May 1981 | USD | 23.623 | 24.128 | 23.499 | 23.623 | 3.1553 | -0.752 (-3.09%) | 31,201 |
| 13 May 1981 | USD | 24.375 | 25.128 | 23.999 | 24.375 | 3.2557 | -1.123 (-4.40%) | 127,500 |
| 12 May 1981 | USD | 25.498 | 25.498 | 24.499 | 25.498 | 3.4057 | +0.752 (+3.04%) | 3,600 |
| 11 May 1981 | USD | 24.746 | 24.999 | 24.499 | 24.746 | 3.3053 | -0.129 (-0.52%) | 600 |
| 8 May 1981 | USD | 24.875 | 25.251 | 24.875 | 24.875 | 3.3225 | -0.124 (-0.50%) | 600 |
| 7 May 1981 | USD | 24.999 | 25.251 | 24.746 | 24.999 | 3.339 | 0.0 (0.0%) | 2,501 |
| 6 May 1981 | USD | 24.999 | 24.999 | 24.746 | 24.999 | 3.339 | +0.253 (+1.02%) | 1,200 |
| 5 May 1981 | USD | 24.746 | 24.746 | 24.252 | 24.746 | 3.3053 | -0.253 (-1.01%) | 4,400 |
| 4 May 1981 | USD | 24.999 | 25.375 | 24.999 | 24.999 | 3.339 | -0.999 (-3.84%) | 3,100 |
| 1 May 1981 | USD | 25.998 | 26.751 | 25.498 | 25.998 | 3.4725 | -1.005 (-3.72%) | 9,500 |
| 30 Apr 1981 | USD | 27.003 | 27.003 | 26.627 | 27.003 | 3.6067 | +0.376 (+1.41%) | 7,201 |
| 29 Apr 1981 | USD | 26.627 | 26.751 | 26.251 | 26.627 | 3.5565 | 0.0 (0.0%) | 3,201 |
| 28 Apr 1981 | USD | 26.627 | 26.627 | 26.498 | 26.627 | 3.5565 | 0.0 (0.0%) | 2,401 |
| 27 Apr 1981 | USD | 26.627 | 26.874 | 26.627 | 26.627 | 3.5565 | -0.247 (-0.92%) | 4,200 |
| 24 Apr 1981 | USD | 26.874 | 27.003 | 26.751 | 26.874 | 3.5895 | 0.0 (0.0%) | 4,801 |
