⇣ nprclf ⇣npr100clf00003npr500clf00013npr1000clf00025npr2000clf00050npr5000clf00126npr10000clf00252⇣ nprclf ⇣npr1,00000clf02521npr5,00000clf126npr10,00000clf252npr25,00000clf630npr50,00000clf1261npr100,00000clf2521