Economic and Environmental Geology

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Table. 1.

Table. 1.

Domestic production by type of aggregate from 2014 to 2018 (MLIT, 2018) (Unit : 1000m3, %)

Year 2014 2015 2016 2017 2018 Annual Avg.
Demand(estimate) 202,426 215,767 238,033 256,100 251,490 232,763
Permitted and declared supply (Relative to demand) 145,092 157,935 197,898 182,271 187,278 174,095
71.7% 73.2% 83.1% 71.2% 74.5% 74.8%
Permission Sum Vol. 84,701 92,004 114,230 98,233 100,105 97,855
Percent 41.8% 42.6% 48.0% 38.4% 39.8% 42.0%
River Vol. 3,851 1,315 2,952 2,708 2,660 2,697
Percent 1.9% 0.6% 1.2% 1.1% 1.1% 1.2%
Sea(coast) Vol. 12,972 13,761 12,772 7,263 0 9,354
Percent 6.4% 6.4% 5.4% 2.8% 0.0% 4.0%
Sea(EEZ) Vol. 11,930 13,717 16,092 11,678 8,260 12,335
Percent 5.9% 6.4% 6.8% 4.6% 3.3% 5.3%
Forest Vol. 51,955 58,774 78,143 60,538 73,425 64,567
Percent 25.7% 27.2% 32.8% 23.6% 29.2% 27.7%
Land Vol. 3,993 4,437 4,271 16,046 15,760 8,901
Percent 2.0% 2.1% 1.8% 6.3% 6.3% 3.8%
Declaration Screening crushed Vol. 60,391 65,931 83,668 84,038 87,173 76,240
Percent 29.8% 30.6% 35.1% 32.8% 34.7% 32.8%
Other supply (Relative to demand) Vol. 57,334 57,832 40,135 73,829 64,212 58,668
Percent 28.3% 26.8% 16.9% 28.8% 25.5% 25.2%
Econ. Environ. Geol. 2021;54:495-503 https://doi.org/10.9719/EEG.2021.54.5.495
© 2021 Econ. Environ. Geol.