Water Use Statistics Material flow accounts Compound material balance: Employment by type of indicator and year. Units: tonnes ;2000 (p);1999;1998;1997;1996; Emissions and waste;352,913,766;343,930,451;315,190,311;292,399,000;283,437,024; Atmospheric emissions (AEE);326,856,862;314,474,606;287,775,486;265,567,640;258,546,417; Greenhouse gases;318,843,509;306,311,480;279,352,038;257,061,468;250,052,417; Acidogenic contaminants;3,420,353;3,437,126;3,464,448;3,568,172;3,394,000; Ozone precursors;4,593,000;4,726,000;4,959,000;4,938,000;5,100,000; Waste;25,065,558;28,442,547;26,465,473;25,971,075;24,117,080; Contaminants dumped into water;991,346;1,013,298;949,352;860,285;773,527; Provision and treatment of water;916,617;814,906;760,578;680,074;599,477; Industrial dumping;74,729;198,392;188,774;180,211;174,050; Waste of products and losses;88,612,633;88,682,996;84,417,287;84,733,382;82,562,869; National output processed (NOP);441,526,399;432,613,447;399,607,598;377,132,382;365,999,893; Disposal of unused national extraction;756,389,689;738,024,806;754,777,478;754,121,658;768,795,159; Fossil fuels;116,654,568;119,962,967;130,399,170;130,685,088;136,936,055; Ores;115,722,085;103,808,951;103,354,008;96,764,039;93,142,648; Metal ores;12,769,378;5,172,072;16,129,271;17,318,802;18,401,060; Non-metal ores;5,909,230;6,729,136;5,893,465;6,612,938;7,338,975; Quarry products;97,043,477;91,907,743;81,331,272;72,832,299;67,402,613; Crops of biomass;524,013,036;514,252,888;521,024,300;526,672,531;538,716,456; Excavation of the soil and dredging;..;..;..;..;..; Total national output to Nature (TNO);1,197,916,088;1,170,638,253;1,154,385,076;1,131,254,040;1,134,795,052; Exports;95,371,685;91,054,327;91,999,060;86,253,498;80,778,312; Total output of materials (TOM);1,293,287,773;1,261,692,580;1,246,384,136;1,217,507,538;1,215,573,364; Net addition of stocks (NAS);223,541,224;190,758,269;186,381,537;151,244,722;140,976,212; Exports indirect flows;105,094,042;132,693,813;113,416,381;113,837,392;98,245,414; Notes: Source: National Statistics Institute