1. in proportion
  2. in the ratio of
  3. at the rate of
by half Zarf
to be factored into the calculation at the rate of ... Fiil
to increase by something Fiil
to increase by something Fiil
to increase by something Fiil
decline of the birth rate
fall in birth rate
fall in the birth rate
slowdown in the rate of inflation
interest rate development
interest rate cut
reduction in the discount rate
to be liable up to one's contribution Fiil
to have a pension on two-thirds of one's salary Fiil
to have a pension on two-thirds salary Fiil
decline in mortality
decline in mortality rate