Example:
16% in the Czech Republic are Rh-
According to the Hardy-Weinberg formula, that makes the gene frequency 0.4, so:
48% are Rh+/-
36% are Rh+/+
That means around 64% are either Rh- or Rh+, but carrying the Rh- recessively
This holds true for every population with at least around 9% Rh-