1968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019
$1.15n/a$1.3n/a$1.6n/an/an/a$2.2n/an/a$2.9$3.1$3.35$3.35$3.35$3.35$3.35$3.35$3.35$3.35$3.35$3.35$3.8$4.25$4.25$4.25$4.25$4.25$4.75$5.15$5.15$5.15$5.15$5.15$5.15$5.15$5.15$5.15$5.15$5.85$6.55$7.25$7.25$7.25$7.25$7.25$7.25$7.25$7.25$7.25$7.25
n/an/an/an/an/an/an/an/an/an/an/a6,912,0007,773,0007,824,0006,496,0006,338,0005,963,0005,538,0005,060,0004,698,0003,927,0003,162,0003,228,0005,283,0004,921,0004,332,0004,128,0003,656,0003,724,0004,754,0004,427,0003,340,0002,650,0002,174,0002,146,0002,100,0002,003,0001,882,0001,692,0001,729,0002,226,0003,572,0004,361,0003,829,0003,550,0003,301,0002,992,0002,561,0002,153,0001,824,000n/an/a