CO2-emission intensity from electricity generation - trajectory

PREFIX skos: <http://www.w3.org/2004/02/skos/core#> 
PREFIX geo: <http://dd.eionet.europa.eu/vocabulary/eurostat/geo/>
PREFIX proxy_2019_2030_2050: <http://semantic.eea.europa.eu/project/indicators/gap_filling_data/ENER038/proxy_2019_2030_2050.tsv#>


        SELECT
          
          year(?year) AS ?date
          bif:either(?geo = geo:DE, 'Germany', ?ugeo) AS ?ugeo
          ?proxy_index
          bif:either(year(?year) = 2030, ?proxy_index2, ?proxy_index) AS ?proxy_index2
          #bif:either(year(?year) = 2019, ?index, '') AS ?index
          
        WHERE {
          GRAPH <http://semantic.eea.europa.eu/project/indicators/gap_filling_data/ENER038/proxy_2019_2030_2050.tsv> 
          {
            _:proxy_2019_2030_2050 proxy_2019_2030_2050:date ?year .
            _:proxy_2019_2030_2050 proxy_2019_2030_2050:geo ?geo .
            _:proxy_2019_2030_2050 proxy_2019_2030_2050:obsValue ?proxy_index .
            #FILTER (year(?year) IN (2019, 2030))
            FILTER (?geo = geo:EU27_2019)
          }

    {
      SELECT 
        xsd:date(2030-01-01) AS ?year2
        geo:EU27_2019 AS ?geo
        96.81 AS ?proxy_index2
      WHERE {}
    }

    {
      SELECT 
        xsd:date(2019-01-01) AS ?year3
        geo:EU27_2019 AS ?geo
        275 AS ?index
      WHERE {}
    }

        ?geo rdfs:label ?ugeo .
        }