Socio-economic strata

1998

2004

1998

2004

Generation per inhabitant (g∙inh⁻¹∙d⁻¹)

Generation per household (kg∙d⁻¹)

Low

578.13

766.48

2.300

2.685

Middle

625.33

688.08

2.450

2.693

High

691.32

956.34

2.740

2.695

Average

628.84

803.64

2.490

2.777