Consumption of food in EU28

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 faostat: <http://reference.eionet.europa.eu/faostat/schema/>

SELECT DISTINCT
?date
?itemCode
?item
?elementCode
bif:either(?elementCode = 674, 'Protein supply quantity', 'Food supply quantity') as ?element
#?element
'kg/capita/yr' as ?unit
#0.375 converts g/capita/day to kg/capita/yr
bif:either(?elementCode = 674, round(sum(xsd:decimal(?value)) *0.365*10)/10.0, round(sum(xsd:decimal(?value))*10)/10.0 ) as ?value
WHERE {
    GRAPH <http://r.eionet.europa.eu/rdfdumps/faostat/foodsupply_livestockfish_e.rdf.gz> {
    {
      _:foodsupply_livestockfish_e faostat:area ?area .
      _:foodsupply_livestockfish_e sdmx-dimension:refArea ?refArea .
      {
        _:foodsupply_livestockfish_e faostat:item_code ?itemCode .
        FILTER (?itemCode in (2731, 2738, 2741, 2733, 2743, 2732, 
                              2731, 2734, 2761, 2762, 2740, 2763, 2744))
        _:foodsupply_livestockfish_e faostat:item ?item .
      } UNION {
        { SELECT 'Meat, other + edible offals' as ?item {} }
        _:foodsupply_livestockfish_e faostat:item_code ?itemCodeDummy .
        FILTER (?itemCodeDummy in ( 2763, 2735 ))

      } UNION {
        { SELECT 'Other fish and seafood' as ?item {} }
        _:foodsupply_livestockfish_e faostat:item_code ?itemCodeDummy .
        FILTER (?itemCodeDummy in (2767, 2764, 2766, 2765))
      }

      _:foodsupply_livestockfish_e faostat:element_code ?elementCode .
      FILTER (?elementCode in (674, 645))
 
      _:foodsupply_livestockfish_e faostat:element ?element .
      _:foodsupply_livestockfish_e faostat:unit ?unit .
      _:foodsupply_livestockfish_e sdmx-dimension:timePeriod ?date . 
      FILTER (?date >= 1995)
      _:foodsupply_livestockfish_e sdmx-measure:obsValue ?value .
    }

  }
  FILTER (?refArea = 5706)
}