year Water use Household consumption expenditure Materials use GHG emissions Greenhouse gas emissions Land use Tropospheric ozone precursor emissions Acidifying air pollutant emissions
1996 100 100 100 100 100 100 100
1997 97 102 97 97 93 95 94
1998 100 104 102 100 96 98 94
1999 102 108 107 101 99 98 91
2000 102 111 109 102 100 96 86
2001 106 113 109 102 101 91 86
2002 106 114 109 102 103 92 84
2003 108 115 113 106 106 93 85
2004 121 118 118 107 109 93 85
2005 116 120 117 107 108 94 84
2006 116 122 116 106 106 92 84
2007 117 124 116 106 108 107 85
2008 125 124 120 105 105 100 81
2009 121 110 96