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