Year Sterling (millions) 1975-12-31 189 1976-12-31 257 1977-12-31 209 1978-12-31 230 1979-12-31 181 1980-12-31 182 1981-12-31 176 1982-12-31 267 1983-12-31 255 1984-12-31 351 1985-12-31 201 1986-12-31 277