| 5,January 2003 | 93円 | |
| 2,March 2003 | 90円 | -3 |
| 14,March 2003 | 89円 | -1 |
| 25,April 2003 | 96円 | +7 |
| 8,May 2003 | 95円 | -1 |
| 21,May 2003 | 94円 | -1 |
| 12,June 2003 | 93円 | -1 |
| 21,June 2003 | 91円 | -2 |
| 28,June 2003 | 89円 | -2 |
| 30,June 2003 | 88円 | -1 |
| 24,July 2003 | 87円 | -1 |
| 5,August 2003 | 97円 | +10 |
| 16,August 2003 | 96円 | -1 |
| 6,September 2003 | 95円 | -1 |
| 4,October 2003 | 94円 | -1 |
| 8,November 2003 | 93円 | -1 |
| 3,December 2003 | 92円 | -1 |
| 27,December 2003 | 91円 | -1 |