Milk Excluding Butter - Livestock and Fish Primary Equivalent dataset

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

?date as ?year
sql:GROUP_CONCAT(?item, '') as ?item
round(sum(xsd:double(?foodvalue))*365/10)/100.0 as ?foodvalue as ?capita
round(sum(xsd:double(?foodvalue))/sum(xsd:double(?foodvalue_idx))*1000)/10.0 as ?index

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 5706 .
     _:foodsupply_livestockfish_e faostat:item_code 2848 .
     _:foodsupply_livestockfish_e faostat:item ?item .
     _:foodsupply_livestockfish_e faostat:element 'Protein supply quantity (g/capita/day)' .
     _:foodsupply_livestockfish_e sdmx-dimension:timePeriod ?date . 
     FILTER (?date >= 2000)
     _:foodsupply_livestockfish_e sdmx-measure:obsValue ?foodvalue .

     _:foodsupply_livestockfish_e_idx faostat:area ?area .
     _:foodsupply_livestockfish_e_idx sdmx-dimension:refArea 5706 .
     _:foodsupply_livestockfish_e_idx faostat:item_code 2848 .
     _:foodsupply_livestockfish_e_idx faostat:item ?item .
     _:foodsupply_livestockfish_e_idx faostat:element 'Protein supply quantity (g/capita/day)' .
     _:foodsupply_livestockfish_e_idx sdmx-dimension:timePeriod 2000 . 
     _:foodsupply_livestockfish_e_idx sdmx-measure:obsValue ?foodvalue_idx .
   }}
  }
}
GROUP BY ?date
HAVING sum(?foodvalue) > 0
ORDER BY ?date