Municipal waste generation per capita in Europe

PREFIX sdmx-measure: <http://purl.org/linked-data/sdmx/2009/measure#> 
PREFIX sdmx-dimension: <http://purl.org/linked-data/sdmx/2009/dimension#> 
PREFIX property: <http://rdfdata.eionet.europa.eu/eurostat/property#> 
PREFIX u: <http://rdfdata.eionet.europa.eu/eurostat/dic/unit#> 
PREFIX g: <http://rdfdata.eionet.europa.eu/eurostat/dic/geo#> 
PREFIX a: <http://rdfdata.eionet.europa.eu/eurostat/dic/age#>
PREFIX s: <http://rdfdata.eionet.europa.eu/eurostat/dic/sex#>
PREFIX wst: <http://rdfdata.eionet.europa.eu/eurostat/dic/wst_oper#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>

SELECT

year(?date) as ?year

sum(?EEA33) as ?EEA33
sum(?EEA32) as ?EEA32
sum(?EU28) as ?EU28
sum(?EU27) as ?EU27
sum(?EU15) as ?EU15
sum(?EFTA4) as ?EFTA4
sum(?NMS13) as ?NMS13
sum(?NMS12) as ?NMS12
sum(?NMS10) as ?NMS10
sum(?TR) as ?TR
#sum(?WB7) as ?WB7
IF(sum(?WB7) <200, 'NULL', sum(?WB7)) as ?WB7

{{
SELECT

?date
bif:either(?memberOfcode = 'EEA33', ?kg_pro_capita,0) AS ?EEA33
bif:either(?memberOfcode = 'EEA32', ?kg_pro_capita,0) AS ?EEA32
bif:either(?memberOfcode = 'EU28', ?kg_pro_capita,0) AS ?EU28
bif:either(?memberOfcode = 'EU27', ?kg_pro_capita,0) AS ?EU27
bif:either(?memberOfcode = 'EU15', ?kg_pro_capita,0) AS ?EU15
bif:either(?memberOfcode = 'EFTA4', ?kg_pro_capita,0) AS ?EFTA4
bif:either(?memberOfcode = 'NMS13', ?kg_pro_capita,0) AS ?NMS13
bif:either(?memberOfcode = 'NMS12', ?kg_pro_capita,0) AS ?NMS12
bif:either(?memberOfcode = 'NMS10', ?kg_pro_capita,0) AS ?NMS10
bif:either(?memberOfcode = 'TR', ?kg_pro_capita,0) AS ?TR
bif:either(?memberOfcode = 'WB7', ?kg_pro_capita,0) AS ?WB7

{{

SELECT
    ?date
    ((round((sum(?waste)*1000000)/sum(?population))*100)/100) as ?kg_pro_capita
    sum(?population) as ?population 
    (sum(?waste)*1000) as ?waste_tons
    ?memberOfcode
  {{
  SELECT
    ?date
    ?population 
    ?waste
    ?ugeo
    (if( (?ugeo = 'TR'), 'TR', ?memberOfcode)) as ?memberOfcode
  WHERE {{
    GRAPH <http://rdfdata.eionet.europa.eu/eurostat/data/env_wasmun.rdf.gz> { 
    {
    _:env_wasmun sdmx-dimension:timePeriod ?date . FILTER (?date >= "1995-01-01"^^xsd:date)
    _:env_wasmun property:geo ?geo .
    _:env_wasmun property:unit u:1000T .
    _:env_wasmun property:wst_oper wst:GEN .
    _:env_wasmun sdmx-measure:obsValue ?waste . 
    }}
    } UNION {
    GRAPH <http://rdfdata.eionet.europa.eu/eurostat/data/demo_pjan.rdf.gz> { 
    {
    _:demo_pjan sdmx-dimension:timePeriod ?date . FILTER (?date >= "1995-01-01"^^xsd:date)
    _:demo_pjan property:geo ?geo .
    _:demo_pjan sdmx-dimension:age a:TOTAL .
    _:demo_pjan property:sex s:T .
    _:demo_pjan sdmx-measure:obsValue ?population .     
    }}
  }
  ?geo skos:prefLabel ?country .
  ?geo skos:notation ?ugeo .
  ?eeageo owl:sameAs ?geo . 
  ?eeageo skos:inScheme <http://rdfdata.eionet.europa.eu/eea/countries/> .
  ?memberOf skos:member ?eeageo .
  ?memberOf skos:notation ?memberOfcode .
 }  
}
FILTER (?memberOfcode IN ('EEA33','EEA32','EU28','EU27','EU15','EFTA4','NMS13','NMS12','NMS10','TR','WB7'))
}


}}
GROUP BY ?date ?memberOfcode  ORDER BY ?memberOfcode ?date
}} GROUP BY ?date ORDER BY ?date