The Official Journal of the Pan-Pacific Association of Input-Output Studies (PAPAIOS)
Table 4 Actual values in 2005 and predicted values in 2030
From: Analyzing material flow and value added associated with non-metallic mineral wastes in Japan
2005 | 2030 | ||
|---|---|---|---|
GDP in the total economy (billion yen) | 505,874 | 511,396 | |
Final demand in industry related to non-metallic mineral wastes (million yen) | |||
1 Crushed stones for roads | 19,269 | 16,323 | |
2 Concrete aggregate | 3971 | 3364 | |
3 Other crushed stones | − 6665 | − 7854 | |
4 Asphalt mixture | 984 | 788 | |
5 Cement/cement products | 11,293 | − 4043 | |
6 Pig iron/crude steel | − 459,734 | − 481,074 | |
7 Other iron and steel | 2,283,700 | 2,389,704 | |
8 Construction | 54,117,611 | 38,691,354 | |
9 Electric power, gas supply, and steam and hot water supply | 5,923,813 | 6,198,781 | |
Generation of non-metallic mineral waste (1000 ton) | |||
Concrete waste | 32,153 | 54,780 | |
Asphalt concrete waste | 26,060 | 17,270 | |
Iron and steel slag | 40,450 | – | |
Coal ash | 11,152 | – | |