⇣ stdron ⇣std100ron00002std500ron00010std1000ron00021std2000ron00041std5000ron00103std10000ron00207⇣ stdron ⇣std1,00000ron02066std5,00000ron103std10,00000ron207std25,00000ron516std50,00000ron1033std100,00000ron2066