⇣ irrshp ⇣irr100shp000irr500shp00001irr1000shp00002irr2000shp00004irr5000shp00009irr10000shp00019⇣ irrshp ⇣irr1,00000shp00189irr5,00000shp00947irr10,00000shp01893irr25,00000shp04733irr50,00000shp09466irr100,00000shp189