Year
|
Land use
|
Water use
|
Tropospheric ozone precursor emissions
|
Material use
|
Acidifying air pollutant emissions
|
GHG emissions
|
1995
|
52.8
|
33.9
|
16.3
|
24.2
|
11.3
|
13.1
|
1996
|
51.6
|
32.7
|
16.1
|
23.9
|
10.9
|
11.8
|
1997
|
47.8
|
28.6
|
14.5
|
22.8
|
9.6
|
10.6
|
1998
|
50.0
|
32.0
|
20.1
|
25.0
|
13.7
|
14.3
|
1999
|
51.1
|
33.5
|
24.0
|
26.4
|
16.0
|
17.0
|
2000
|
51.4
|
34.0
|
26.6
|
27.8
|
17.2
|
18.0
|
2001
|
53.2
|
35.5
|
24.8
|
28.3
|
17.6
|
16.8
|
2002
|
53.3
|
36.0
|
27.3
|
28.1
|
18.0
|
16.7
|
2003
|
55.3
|
40.8
|
29.2
|
31.2
|
20.2
|
19.0
|
2004
|
55.9
|
39.2
|
30.2
|
31.3
|
21.2
|
20.2
|
2005
|
54.7
|
42.0
|
33.1
|
31.4
|
21.8
|
20.6
|
2006
|
55.0
|
43.0
|
33.0
|
32.0
|
24.0
|
21.0
|
2007
|
56.0
|
46.0
|
44.0
|
32.0
|
27.0
|
23.0
|
2008
|
55.0
|
43.0
|
43.0
|
33.0
|
30.0
|
24.0
|