⇣ copbnd ⇣cop100bnd00004cop500bnd00018cop1000bnd00035cop2000bnd00070cop5000bnd00176cop10000bnd00352⇣ copbnd ⇣cop1,00000bnd03516cop5,00000bnd176cop10,00000bnd352cop25,00000bnd879cop50,00000bnd1758cop100,00000bnd3516