Generation of waste, excluding major mineral wastes, per capita and by country

PREFIX sdmx-measure: <http://purl.org/linked-data/sdmx/2009/measure#> 
PREFIX sdmx-dimension: <http://purl.org/linked-data/sdmx/2009/dimension#> 
PREFIX sdmx-attribute: <http://purl.org/linked-data/sdmx/2009/attribute#> 
PREFIX skos: <http://www.w3.org/2004/02/skos/core#> 
PREFIX property: <http://rdfdata.eionet.europa.eu/eurostat/property#> 
PREFIX nace_r2: <http://dd.eionet.europa.eu/vocabulary/eurostat/nace_r2/>
PREFIX hazard: <http://dd.eionet.europa.eu/vocabulary/eurostat/hazard/>
PREFIX waste: <http://dd.eionet.europa.eu/vocabulary/eurostat/waste/>
PREFIX geo: <http://dd.eionet.europa.eu/vocabulary/eurostat/geo/>
PREFIX unit: <http://dd.eionet.europa.eu/vocabulary/eurostat/unit/>

SELECT DISTINCT
year(?date) as ?date
bif:either(?geo = geo:DE, 'Germany', ?ugeo) as ?ugeo
sum(?obsValue) as ?obsValue

WHERE {{
GRAPH <http://rdfdata.eionet.europa.eu/eurostat/data/env_wasgen.rdf.gz> 
  {{ 
    _:env_wasgen sdmx-dimension:timePeriod ?date . 
    _:env_wasgen property:hazard hazard:HAZ_NHAZ . 
    _:env_wasgen property:waste waste:TOT_X_MIN . 
    _:env_wasgen sdmx-dimension:refArea ?geo . 
    _:env_wasgen sdmx-attribute:unitMeasure unit:KG_HAB .
    _:env_wasgen property:nace_r2 nace_r2:TOTAL_HH .
    _:env_wasgen sdmx-measure:obsValue ?obsValue .

  }}
  ?geo rdfs:label ?ugeo .
}}
GROUP BY ?geo ?ugeo ?category ?date
ORDER BY ?date ?category