$chiqarish = mysql_query("SELECT sum(ustun) AS 'ustun' FROM `tablitsa` where `ustun` = 'p1'");
$chiqar = mysql_fetch_assoc($chiqarish);
$chiqarish2 = mysql_query("SELECT sum(ustun) AS 'ustun' FROM `tablitsa` where `ustun` = 'x'");
$chiqar2 = mysql_fetch_assoc($chiqarish2);
$chiqarish3 = mysql_query("SELECT sum(ustun) AS 'ustun' FROM `tablitsa` where `ustun` = 'p2'");
$chiqar3= mysql_fetch_assoc($chiqarish3);