Total tourism arrivals

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 indic_to: <http://dd.eionet.europa.eu/vocabulary/eurostat/indic_to/>
PREFIX unit: <http://dd.eionet.europa.eu/vocabulary/eurostat/unit/>
PREFIX nace_r2: <http://dd.eionet.europa.eu/vocabulary/eurostat/nace_r2/>
PREFIX countries: <http://dd.eionet.europa.eu/vocabulary/common/countries/>
SELECT DISTINCT
year(?date) as ?date
?ugeo
round(?obsValue/1000000) as ?obsValue

WHERE {
  { 
  GRAPH <http://rdfdata.eionet.europa.eu/eurostat/data/tour_occ_arn2.rdf.gz> 
    {
      _:tour_occ_arn2 sdmx-dimension:timePeriod ?date . 
      _:tour_occ_arn2 sdmx-dimension:refArea ?geo . 
      _:tour_occ_arn2 property:indic_to indic_to:B003 . 
      _:tour_occ_arn2 sdmx-attribute:unitMeasure unit:NR . 
      _:tour_occ_arn2 property:nace_r2 nace_r2:I551-I553 . 
      _:tour_occ_arn2 sdmx-measure:obsValue ?obsValue .
    }
   } UNION {
    { SELECT 
        "2015-12-31"^^xsd:date as ?date
        <http://dd.eionet.europa.eu/vocabulary/eurostat/geo/UK> as ?geo 
        106421227 as ?obsValue {} 
      }
   } UNION {
    { SELECT 
        "2015-12-31"^^xsd:date as ?date
        <http://dd.eionet.europa.eu/vocabulary/eurostat/geo/BA> as ?geo 
        846581 as ?obsValue {} 
      }
   } UNION {
    { SELECT 
        "2015-12-31"^^xsd:date as ?date
        <http://dd.eionet.europa.eu/vocabulary/eurostat/geo/TR> as ?geo 
        43514295 as ?obsValue {} 
      }
   } UNION {
    { SELECT 
        "2015-12-31"^^xsd:date as ?date
        <http://dd.eionet.europa.eu/vocabulary/eurostat/geo/CH> as ?geo 
        19090000 as ?obsValue {} 
      }
  }
  ?geo skos:exactMatch ?eeauri .
  ?eeauri skos:inScheme countries: .
  ?eeauri rdfs:label ?ugeo .

}
ORDER BY ?year(?date) ?ugeo