When were the citizens of FATA given the right of vote?

When were the citizens of FATA given the right of vote?

فاٹا کے شہریوں کو ووٹ کا حق کب دیا گیا؟
Explanation

The citizens of FATA (Federally Administered Tribal Areas) were granted the right to vote in 1997 general elections.

Before this, only Maliks (tribal elders) had voting rights under a limited franchise system.