text: function graficar(params) {
      var ctx = document.getElementById('grafico').getContext('2d');
      var myChart = new Chart(ctx, {
          type: 'pie',
          data: {
              labels: <?php echo(json_encode($estatus, JSON_PRETTY_PRINT)) ?> ,
              datasets: [{
                  label: 'Estudios de Precios',
                  data: <?php echo(json_encode($valores, JSON_PRETTY_PRINT)) ?> ,
                  backgroundColor: [
                      'rgba(255, 99, 132, 0.2)',
                      'rgba(54, 162, 235, 0.2)',
                      'rgba(255, 206, 86, 0.2)',
                      'rgba(75, 192, 192, 0.2)',
                      'rgba(153, 102, 255, 0.2)',
                      'rgba(51, 255, 102, 0.2)',
                      'rgba(153, 0, 0, 0.2)',
                      'rgba(0, 0, 255, 0.2)',
                      'rgba(255, 159, 64, 0.2)',
                  ],
                  borderColor: [
                      'rgba(255, 99, 132, 1)',
                      'rgba(54, 162, 235, 1)',
                      'rgba(255, 206, 86, 1)',
                      'rgba(75, 192, 192, 1)',
                      'rgba(153, 102, 255, 1)',
                      'rgba(51, 255, 102, 1)',
                      'rgba(153, 0, 0, 1)',
                      'rgba(0, 0, 255, 1)',
                      'rgba(255, 159, 64, 1)',
                  ],
                  borderWidth: 1
              }],
          },
          options: {
              scales: {
                  yAxes: [{
                      ticks: {
                          beginAtZero: true
                      }
                  }]
              },
              legend: {
                  position: 'bottom'
              },
              title: {
                  display: true,
                  text: 'Estatus de EPT <?php echo($anio) ?>'
              }
  
          }
      });
  }
  