sgvizler: Norway oil production bar chart

Stolen from http://dev.data2000.no/sgvizler/wiki/Sgvizler/Chart/GoogleVisualizationBarChart

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/1.9.0/jquery.js"></script>
<script src="https://www.google.com/jsapi"></script>
<script src="http://beta.data2000.no/sgvizler/release/0.6/sgvizler.js"></script>
<div id="ex"
   data-sgvizler-endpoint="http://sws.ifi.uio.no/sparql/npd"
   data-sgvizler-query="
        SELECT ?year ?Oil_millSm3 ?Gas_billSm3 ?NGL_millSm3 ?Condensate_millSm3 ?Water_millSm3 
        { ?period a npdv:FieldProductionPeriod ; 
              npdv:hasField &lt;http://sws.ifi.uio.no/npd/field/Ekofisk&gt; ; 
              npdv:year ?year ; 
              npdv:producedNetOilMillSm3 ?Oil_millSm3 ; 
              npdv:producedNetGasBillSm3 ?Gas_billSm3 ; 
              npdv:producedNetNGLMillSm3 ?NGL_millSm3 ; 
              npdv:producedNetCondensateMillSm3 ?Condensate_millSm3 ; 
              npdv:producedWaterMillSm3 ?Water_millSm3 ;
              OPTIONAL{ ?period npdv:month ?month } . 
              FILTER (!bound(?month)) 
         } ORDER BY ?year" 
   data-sgvizler-chart="google.visualization.BarChart"
   style="width:400px; height:265px; border:1px solid black; display: inline-block;"></div>

JavaScript

$(document).ready(
    function (){
        sgvizler
            .defaultEndpointOutputFormat('jsonp')
            // Add prefixes used in examples:
            .prefix('w',     "http://sws.ifi.uio.no/ont/world.owl#")
            .prefix('dbpo',  "http://dbpedia.org/ontology/")
            .prefix('geo',   "http://www.w3.org/2003/01/geo/wgs84_pos#")
            .prefix('dct',   "http://purl.org/dc/terms/")
            .prefix('fn',    "http://www.w3.org/2005/xpath-functions#")
            .prefix('afn',   "http://jena.hpl.hp.com/ARQ/function#")
            .prefix('npdv',  "http://sws.ifi.uio.no/vocab/npd#")
            .prefix('npdv2', "http://sws.ifi.uio.no/vocab/npd-v2#")
            .prefix('geos',  "http://www.opengis.net/ont/geosparql#")

            // Draw all sgvizler containers on page:
            .containerDrawAll();
    }
)