⇣ irrshp ⇣irr100shp000irr500shp00001irr1000shp00002irr2000shp00004irr5000shp00009irr10000shp00019⇣ irrshp ⇣irr1,00000shp00187irr5,00000shp00933irr10,00000shp01866irr25,00000shp04665irr50,00000shp09330irr100,00000shp187