| 生産 | 出荷 | 在庫 | ||
| 1998 | Ⅰ | 102.2 | 103.1 | 108.0 |
| Ⅱ | 97.6 | 98.9 | 105.8 | |
| Ⅲ | 97.8 | 99.0 | 103.5 | |
| Ⅳ | 96.7 | 98.5 | 99.7 | |
| 1999 | Ⅰ | 98.2 | 100.2 | 97.8 |
| Ⅱ | 97.8 | 99.1 | 96.1 | |
| Ⅲ | 100.4 | 102.1 | 95.0 | |
| Ⅳ | 101.8 | 104.1 | 93.4 | |
| 2000 | Ⅰ | 102.6 | 104.6 | 95.6 |
| Ⅱ | 104.3 | 106.5 | 95.5 | |
| Ⅲ | 106.0 | 108.2 | 94.7 | |
| pⅣ | 106.3 | 108.2 | 95.5 | |
| 2000 | 6 | 105.7 | 108.7 | 95.5 |
| 7 | 104.8 | 106.7 | 95.4 | |
| 8 | 108.4 | 110.9 | 95.7 | |
| 9 | 104.7 | 106.9 | 94.7 | |
| 10 | 106.3 | 107.9 | 96.1 | |
| 11 | 105.5 | 107.5 | 95.6 | |
| p12 | 107.1 | 109.3 | 95.5 | |