year	Water use	Materials use	Land use	Household consumption expenditure on clothing and footwear	GHG emissions	Tropospheric ozone precursor emissions	Acidifying air pollutant emissions
1996	100	100	100	100	100	100	100
1997	92.1	92.8	91.9	100.5	94.0	93.2	92.5
1998	97.1	100.3	96.3	102.1	98.6	103.7	94.9
1999	98.1	104.4	96.0	102.8	98.8	106.7	89.7
2000	101.2	104.7	99.6	105.1	99.3	109.0	87.7
2001	106.6	106.3	105.0	105.6	98.9	102.2	86.9
2002	108.5	108.8	112.0	106.1	100.0	107.2	87.4
2003	117.3	118.1	117.3	106.5	105.1	108.0	89.5
2004	126.5	118.1	121.9	107.8	106.6	112.3	93.4
2005	130.4	121.2	122.8	110.1	107.9	113.1	98.2
2006	141.1	127.3	130.9	112.6	110.1	119.9	106.2
2007	143.9	128.5	132.0	115.0	112.1	126.3	108.0
2008	148.4	131.0	127.5	115.2	109.6	108.4	105.7
2009		118.2	111.3	109.7