qry2.SQL.Add('select transaction, count(id) as kol from reester where 1=1');

while not qry2.Eof do begin
    if qry2.FieldByName('transaction').AsInteger=1 then lbl4.Caption:='Продажа = '+qry2.FieldByName('kol').AsString;
    if qry2.FieldByName('transaction').AsInteger=2 then lbl5.Caption:='Обмен = '+qry2.FieldByName('kol').AsString;
    if qry2.FieldByName('transaction').AsInteger=3 then lbl6.Caption:='Аннуляция = '+qry2.FieldByName('kol').AsString;
    if qry2.FieldByName('transaction').AsInteger=4 then lbl7.Caption:='Возврат = '+qry2.FieldByName('kol').AsString;
    if qry2.FieldByName('transaction').AsInteger=5 then lbl8.Caption:='МСО = '+qry2.FieldByName('kol').AsString;
    qry2.Next;
  end;