Quarter	Billions of US Dollars
1972-10-01	0.030
1973-01-01	0.060
1973-04-01	0.060
1973-07-01	0.060
1973-10-01	0.060
1974-01-01	0.060
1974-04-01	0.060
1974-07-01	0.060
1974-10-01	0.060
1975-01-01	0.060
1975-04-01	0.060
1975-07-01	0.060
1975-10-01	0.060
1976-01-01	0.060
1976-04-01	0.060
1976-07-01	0.060
1976-10-01	0.060
1977-01-01	0.060
1977-04-01	0.060
1977-07-01	0.060
1977-10-01	0.060
1978-01-01	0.060
1978-04-01	0.060
1978-07-01	0.060
1978-10-01	0.060
1979-01-01	0.060
1979-04-01	0.060
1979-07-01	0.060
1979-10-01	0.060
1980-01-01	0.060
1980-04-01	0.060
1980-07-01	0.060
1980-10-01	0.060
1981-01-01	0.060
1981-04-01	0.060
1981-07-01	0.060
1981-10-01	0.060
1982-01-01	0.060
1982-04-01	0.060
1982-07-01	0.060
1982-10-01	0.060
1983-01-01	0.060
1983-04-01	0.060
1983-07-01	0.060
1983-10-01	0.060
1984-01-01	0.060
1984-04-01	0.060
1984-07-01	0.060
1984-10-01	0.060
1985-01-01	0.060
1985-04-01	0.060
1985-07-01	0.060
1985-10-01	0.060
1986-01-01	0.060
1986-04-01	0.060
1986-07-01	0.060
1986-10-01	0.049
1987-01-01	0.049
1987-04-01	0.049
1987-07-01	0.049
1987-10-01	0.049
1988-01-01	0.019
1988-04-01	0.019
1988-07-01	0.019
1988-10-01	0.016
1989-01-01	0.016
1989-04-01	0.016
1989-07-01	0.016
1989-10-01	0.004
1990-01-01	0.004
1990-04-01	0.004
1990-07-01	0.004
