1979 2.463993 0.405845 8.8650% 1978 0.529786 1.887556 7.2813% 1977 0.591387 1.690941 6.6558% 1976 0.325306 3.074033 6.4073% 1975 2.512696 0.397979 9.8159% 1974 1.000000 1.000000 1.3740% 1885 0.912448 1.095952 -1.3553% 1884 0.483665 2.067545 -1.3372% 1883 0.937522 1.066642 1.3553% 1886 0.052212 19.152815 -1.3372% 1883 0.057237 17.471064 1.3553% 1886 0.313560 3.189185
collateral