⇣ irrils ⇣irr100ils00001irr500ils00004irr1000ils00009irr2000ils00018irr5000ils00044irr10000ils00088⇣ irrils ⇣irr1,00000ils00881irr5,00000ils04404irr10,00000ils08809irr25,00000ils220irr50,00000ils440irr100,00000ils881