Economic growth parterres decreased sharply from 1990-1991.Then they rose sharply and gradually leved off up until 1999.However,inflation dropped steadily from 1990 through 1999.It decreased sharply at first and then leveled off from 1994-1994. Forecasts of economic growth have consistently: 1. overestimated economic growth from 1990-1998 2. underestimated economic growth from 1990-1998 3. overestimated economic growth from 1996-1999 4. underestimated economic growth from 1996-19999