Total municipal waste recycled in each European country, stated in percentage

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 unit: <http://dd.eionet.europa.eu/vocabulary/eurostat/unit/> 
PREFIX geo: <http://dd.eionet.europa.eu/vocabulary/eurostat/geo/> 
PREFIX wst: <http://dd.eionet.europa.eu/vocabulary/eurostat/wst_oper/>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX sdmx-attribute: <http://purl.org/linked-data/sdmx/2009/attribute#> 
PREFIX common_countries: <http://dd.eionet.europa.eu/vocabulary/common/countries/>

SELECT
year(?date) as ?date_original
bif:either(year(?date) <2009, 2004, 2017) as ?date
bif:either(?geo = geo:DE, 'Germany', ?ugeo) as ?ugeo
round((sum(coalesce(?RCY_M, 0))+sum(coalesce(?RCY_C_D,0)))/sum(?GEN)*100) as ?value

WHERE { 
 GRAPH <http://rdfdata.eionet.europa.eu/eurostat/data/env_wasmun.rdf.gz> { 
        _:env_wasmun sdmx-dimension:timePeriod ?date . 
	_:env_wasmun sdmx-dimension:refArea ?geo .
        _:env_wasmun sdmx-attribute:unitMeasure unit:THS_T .
        { 
	  _:env_wasmun property:wst_oper wst:GEN .
          _:env_wasmun sdmx-measure:obsValue ?GEN . 
	} UNION { 
	  _:env_wasmun property:wst_oper wst:RCY_M . 
          _:env_wasmun sdmx-measure:obsValue ?RCY_M . 
	} UNION { 
	  _:env_wasmun property:wst_oper wst:RCY_C_D .
          _:env_wasmun sdmx-measure:obsValue ?RCY_C_D .
	} 

        {
          SELECT 
            min(?date) as ?date
            ?geo
            {
               _:env_wasmun sdmx-dimension:timePeriod ?date . 
               FILTER (?date >= "2004-01-01"^^xsd:dateTime)
               _:env_wasmun sdmx-dimension:refArea ?geo .
               { 
	         _:env_wasmun property:wst_oper wst:RCY_M . 
                 _:env_wasmun sdmx-measure:obsValue ?RCY_M . 
	       } UNION { 
	         _:env_wasmun property:wst_oper wst:RCY_C_D .
                 _:env_wasmun sdmx-measure:obsValue ?RCY_C_D .
 	       } 
            }
        } UNION {
          SELECT 
            max(?date) as ?date
            ?geo
            {
               _:env_wasmun sdmx-dimension:timePeriod ?date . 
               FILTER (?date >= "2004-01-01"^^xsd:dateTime)
               _:env_wasmun sdmx-dimension:refArea ?geo .
               { 
	         _:env_wasmun property:wst_oper wst:RCY_M . 
                 _:env_wasmun sdmx-measure:obsValue ?RCY_M . 
	       } UNION { 
	         _:env_wasmun property:wst_oper wst:RCY_C_D .
                 _:env_wasmun sdmx-measure:obsValue ?RCY_C_D .
 	       } 
            }
        }
  }
  ?geo rdfs:label ?ugeo .
  FILTER (?geo != geo:AL && ?geo != geo:CZ && ?geo != geo:ME &&
          ?geo != geo:IS && ?geo != geo:PL && 
          ?geo != geo:EU27 && ?geo != geo:MK)
} 
GROUP BY ?ugeo ?geo ?date
ORDER BY ?ugeo