getting more text lables on graph bar in d3js

[Somepalli]

Hi i am getting graph as above attcahment. But i want only max value of bar in d3 js

pls help...

state.selectAll("rect.text")

  .data(function (d) {

      return d.ages;

                })

.enter().append("text")

  .attr("class", "rect")

  .attr("fill","blue")

  .attr("text-anchor", "left")

  .attr("x", function(d) { return x1(d.name); })

  .attr("y", function(d) { return y(d.value); })

  .text(function(d) {

          

      if((height -y(d.value))>0){

           return ((d.value)/1000).toFixed(0);}   

                  else { return "";};

   });