My hon. Friend is right about numbers. Our citizenship law since 1981 has been based firmly on residency, as Portugal's has not. The thrust of the second part of my hon. Friend's question is, I think, right. My right hon. and learned Friend the Foreign Secretary and I are trying to work out ways in which the existing arrangements can be made more flexible so that key people in the public and private sectors can be given assurances of one kind or another which will encourage them to stay in Hong Kong.