| 1 | The business volume of post and telecommunications is calculated at 2000 constant prices. | |
| 2 | At constant prices, national income increased by 1.31 times. | |
| 3 | National income increased by 131% at constant prices. | |
| 4 | In the 1980s the value of China's agricultural output, in constant prices, rose 86 per cent. | |
| 5 | Gross domestic product (GDP) and value added as quoted in this Communiqué are calculated at current prices, whereas their growth rates are at constant prices. |