| Date | Currency | Open | High | Low | Close | A.Close | Day Change | Volume |
|---|---|---|---|---|---|---|---|---|
| 4 Jun 1981 | USD | 40.252 | 40.748 | 40.252 | 40.252 | 3.9755 | +2.253 (+5.93%) | 14,800 |
| 3 Jun 1981 | USD | 37.999 | 38.5 | 37.999 | 37.999 | 3.753 | +0.248 (+0.66%) | 16,301 |
| 2 Jun 1981 | USD | 37.751 | 38.5 | 37.751 | 37.751 | 3.7285 | +0.253 (+0.67%) | 1,600 |
| 1 Jun 1981 | USD | 37.498 | 38.247 | 37.498 | 37.498 | 3.7035 | 0.0 (0.0%) | 301 |
| 29 May 1981 | USD | 37.498 | 37.498 | 37.498 | 37.498 | 3.7035 | 0.0 (0.0%) | 0 |
| 28 May 1981 | USD | 37.498 | 37.999 | 37.498 | 37.498 | 3.7035 | +0.248 (+0.67%) | 601 |
| 27 May 1981 | USD | 37.25 | 37.999 | 37.25 | 37.25 | 3.679 | +2.253 (+6.44%) | 5,200 |
| 26 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 601 |
| 25 May 1981 | USD | 34.997 | 34.997 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 0 |
| 22 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 501 |
| 21 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 6,301 |
| 20 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 800 |
| 19 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 601 |
| 18 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 201 |
| 15 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 501 |
| 14 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 1,501 |
| 13 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | 0.0 (0.0%) | 101 |
| 12 May 1981 | USD | 34.997 | 35.503 | 34.997 | 34.997 | 3.4565 | +0.243 (+0.70%) | 1,301 |
| 11 May 1981 | USD | 34.754 | 34.754 | 34.754 | 34.754 | 3.4325 | 0.0 (0.0%) | 0 |
| 8 May 1981 | USD | 34.754 | 35.503 | 34.754 | 34.754 | 3.4325 | 0.0 (0.0%) | 1,501 |
| 7 May 1981 | USD | 34.754 | 35.503 | 34.754 | 34.754 | 3.4325 | +0.253 (+0.73%) | 701 |
| 6 May 1981 | USD | 34.501 | 35.503 | 34.501 | 34.501 | 3.4075 | 0.0 (0.0%) | 2,101 |
| 5 May 1981 | USD | 34.501 | 34.997 | 34.501 | 34.501 | 3.4075 | 0.0 (0.0%) | 301 |
| 4 May 1981 | USD | 34.501 | 35.25 | 34.501 | 34.501 | 3.4075 | 0.0 (0.0%) | 23,301 |
| 1 May 1981 | USD | 34.501 | 35.25 | 34.501 | 34.501 | 3.4075 | 0.0 (0.0%) | 1,901 |
| 30 Apr 1981 | USD | 34.501 | 35.25 | 34.501 | 34.501 | 3.4075 | 0.0 (0.0%) | 3,301 |
| 29 Apr 1981 | USD | 34.501 | 35.25 | 34.501 | 34.501 | 3.4075 | -0.253 (-0.73%) | 3,701 |
| 28 Apr 1981 | USD | 34.754 | 35.503 | 34.754 | 34.754 | 3.4325 | -0.243 (-0.69%) | 1,501 |
| 27 Apr 1981 | USD | 34.997 | 35.751 | 34.997 | 34.997 | 3.4565 | -0.253 (-0.72%) | 1,301 |
| 24 Apr 1981 | USD | 35.25 | 35.751 | 35.25 | 35.25 | 3.4815 | 0.0 (0.0%) | 1,600 |
