Environmental Accounts: Material Flow Account Main indicators of flow materials Productivity indicators. GDP/Tm by type of indicator and year Units: Euros/tonnes ;2012;2011;2010;2009;2008; Direct Material Input (DMI);1,829.79;1,591.30;1,459.45;1,344.42;1,159.63; Direct Material Input (DMI)- Variation rate (year 2008=100);157.79;137.22;125.85;115.94;100.00; Domestic material consumption (DMC);2,481.65;2,017.63;1,777.43;1,583.76;1,341.88; Domestic material consumption (DMC) Variation rate (year 2008=100);184.94;150.36;132.46;118.03;100.00; Notes: Source: National Statistics Institute