For the 10 years to 1996 the top three source areas were Asia (39.1 per cent), Europe (23.0 per cent) and the Pacific (including Australia) (26.0 per cent).
在到1996年为止的十年中，前三个来源是亚洲(39.1%)、欧洲(23%)和太平洋(26%，包括澳大利亚)。