size by column sum

cartocss.css

Map {
-torque-frame-count:128;
-torque-animation-duration:30;
-torque-time-attribute:"time_column";
-torque-aggregation-function:"sum(whatever_column)";
-torque-resolution:2;
-torque-data-aggregation:"cumulative";
}

#table_name {
   marker-width: 4;
   marker-opacity: 0.9;
   marker-allow-overlap: true;
   marker-placement: point;
   marker-type: ellipse;
   marker-line-width: 2;
   marker-line-color: #ffffff;
   marker-line-opacity: 1;
   [value > 10]{
      marker-width: 5;
   }
   [value > 100]{
      marker-width: 8;
   }
}
#table_name[frame-offset=1] {
   marker-width:4.5;
   marker-opacity:0.45; 
   [value > 10]{
      marker-width: 6;
   }
   [value > 100]{
      marker-width: 10;
   }
}
#table_name[frame-offset=2] {
   marker-width:6;
   marker-opacity:0.225; 
   [value > 10]{
      marker-width: 8;
   }
   [value > 100]{
      marker-width: 14;
   }
}