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      google.setOnLoadCallback(drawChart);

      function drawChart() {
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'From');
        data.addColumn('string', 'To');
        data.addColumn('number', 'Gecis');
        data.addRows([
          [ 'AKP (49.9)', 'AKP (40.9)', 38.05 ],
            [ 'AKP (49.9)', 'CHP (25.1)', 1.52 ],
            [ 'AKP (49.9)', 'MHP (16.4)', 3.11 ],
            [ 'AKP (49.9)', 'HDP (13.1)', 4.04 ],
            [ 'CHP (26)', 'CHP (25.1)', 21.55 ],
            [ 'CHP (26)', 'HDP (13.1)', 1.46 ],
            [ 'MHP (13)', 'MHP (16.4)', 11.84 ],
            [ 'HDP (6.5)', 'HDP (13.1)', 6.6 ],
            [ 'Others (5.6)', 'Others (4.5)', 0.9 ],
            [ 'Others (5.6)', 'AKP (40.9)', 1.42 ],
            [ 'Others (5.6)', 'CHP (25.1)', 1.1 ],
            [ 'Others (5.6)', 'CHP (25.1)', 1.1 ],
            [ 'Others (5.6)', 'MHP (16.4)', 0.62 ],
            [ 'AKP (49.9)', 'Others (4.5)', 3.28 ],
            [ 'CHP (26)', 'Others (4.5)', 0.84 ],
            [ 'CHP (26)', 'MHP (16.4)', 0.67 ],
            [ 'CHP (26)', 'AKP (40.9)', 1.45 ],
            [ 'MHP (13)', 'CHP (25.1)', 0.66 ]
        ]);

        // Sets chart options.
        var colors = [ '#fdbf6f','#fdbf6f','#fb9a99', '#b2df8a',
                  '#cab2d6','#fb9a99', '#b2df8a', '#cab2d6', '#a6cee3', '#a6cee3']; 

        var options = {
          height: 400,
            width: 400,
          sankey: {
            node: {
              colors: colors, fillOpacity: 1,
                     label: { fontSize: 13, bold: true}
            },
            link: {
              colorMode: 'gradient',
              colors: colors
            }
          }
        };

        // Instantiates and draws our chart, passing in some options.
        var chart = new google.visualization.Sankey(document.getElementById('sankey_basic'));
        chart.draw(data, options);
      }
<script type="text/javascript" src="https://www.google.com/jsapi?autoload={'modules':[{'name':'visualization','version':'1.1','packages':['sankey']}]}"></script>
       <div id="sankey_basic" style="width: 900px; height: 300px;"></div>