⇣ irrshp ⇣irr100shp000irr500shp00001irr1000shp00002irr2000shp00004irr5000shp00009irr10000shp00019⇣ irrshp ⇣irr1,00000shp00187irr5,00000shp00934irr10,00000shp01868irr25,00000shp04671irr50,00000shp09341irr100,00000shp187