a March 1958 PBI TI March 1959 BEIT — PBI TI 1961 _. BEI PBI 1962 PBI March 1963 PBI March 1965 1964 PBI PBI TI Tp* T Ty am) March Sept. 1965= 1966 a Sept. TS + TI PBI Ip Ss Ucirik Exposed (continued 2142 2146 &-& 2166 ee fo no 2197 wo FPF 2215 wo wo 2216 Om 2251 nn mm 2196 wo CO 10. Ws 2155 2193 8.1 2.8 12.7 7.8 3.7 ws 2152 2178 11.5 wy 2150 2169 1966 PBL