impression=new Array(); 
impression[1]="82.927"
 impression[2]="81.832"
 impression[3]="81.733" 
impression[4]="79.546"
 impression[5]="82.632"
 impression[6]="83.756"
 impression[7]="81.950" 
impression[8]="79.989"
 impression[9]="79.886" 
impression[10]="79.962"
 impression[11]="79.030" 
impression[12]="81.147"
 impression[13]="79.329"
 impression[14]="79.689"
 impression[15]="79.785" 
impression[16]="79.916" 
impression[17]="79.267" 
impression[18]="79.641" 
impression[19]="79.615" 
impression[20]="79.963" 
impression[21]="78.231" 
impression[22]="79.365"
 impression[23]="79.489" 
impression[24]="79.685" 
impression[25]="79.738"
 impression[26]="79.825" 
impression[27]="79.912"
 impression[28]="79.222" 
impression[29]="79.467"
 impression[30]="79.951"
 impression[31]="79.312"