Water Use Statistics
Material flow accounts 
Compound material balance: Employment by type of indicator and year.
Units: tonnes

	2006	2005	2004	2003	2002	2001	2000	
Emissions  and waste	400,938,142	407,904,187	391,656,213	373,707,983	372,569,496	352,181,272	351,238,008	
Atmospheric emissions (AEE)	366,927,989	375,638,488	359,503,083	342,461,659	341,917,896	321,431,846	320,616,950	
Greenhouse gas	359,122,324	367,666,651	351,428,281	334,224,486	333,550,806	313,134,633	311,994,960	
Acidogenic contaminants	2,929,780	3,059,253	3,101,128	3,024,377	3,232,206	3,056,495	3,128,896	
Ozone precursors	4,666,239	4,699,858	4,759,404	5,001,443	4,922,202	5,033,473	5,286,823	
Particles	209,646	212,727	214,270	211,353	212,682	207,245	206,271	
Waste	32,689,660	30,974,930	30,884,087	30,295,089	29,683,381	29,807,864	29,678,871	
Contaminants dumped into water	1,320,493	1,290,769	1,269,043	951,235	968,220	941,562	942,187	
Provision and treatment of water	1,140,397	1,110,896	1,090,796	775,884	797,430	771,532	769,792	
Industrial dumping	180,096	179,872	178,246	175,351	170,790	170,031	172,395	
Waste of products and losses	93,877,125	95,062,138	96,022,881	95,074,003	93,941,566	90,643,194	87,971,929	
National output processed (NOP)	494,815,267	502,966,325	487,679,094	468,781,986	466,511,062	442,824,466	439,209,937	
Disposal of unused national extraction	760,810,007	777,313,229	811,884,350	797,493,265	794,007,872	799,752,098	840,708,892	
Fossil fuels	107,885,239	115,031,472	121,023,882	121,411,240	130,286,529	134,328,760	138,615,086	
Minerals	189,067,524	180,480,962	192,269,545	185,001,551	169,471,020	176,757,033	182,397,100	
Metal ores	1,764,218	2,465,089	1,248,952	1,060,630	3,940,325	21,926,726	32,946,804	
Non-metal minerals and quarry products	187,303,306	178,015,873	191,020,593	183,940,921	165,530,695	154,830,307	149,450,296	
Crops of biomass	463,857,245	481,800,796	498,590,923	491,080,474	494,250,323	488,666,305	519,696,706	
Excavation of  the soil and dredging	..	..	..	..	..	..	..	
Total national output to Nature (TNO)	1,255,625,274	1,280,279,554	1,299,563,444	1,266,275,251	1,260,518,935	1,242,576,564	1,279,918,829	
Exports	102,763,910	108,093,551	108,553,755	103,239,738	96,171,452	94,285,185	94,450,936	
Total output of materials (TOM)	1,358,389,185	1,388,373,105	1,408,117,200	1,369,514,989	1,356,690,387	1,336,861,749	1,374,369,765	
Net addition of stocks (NAS)	404,163,960	346,677,736	340,646,204	341,929,345	297,793,772	257,026,471	236,444,539	
Exports indirect flows	115,615,325	118,645,672	107,294,821	117,095,405	117,270,637	119,367,613	102,118,735	
Notes:
Source: National Statistics Institute