Remarks:
Based on the economic development level, the countries related
are divided into three categories:
A ¡¡represented those from USA,
Canada, Western Europe, Japan, Korea,
¡¡ Australia and New Zealand.
B ¡¡represented those from Eastern
Europe and China.
C ¡¡represented the others.
A:¡ç200; ¡¡¡¡B:¡ç100; ¡¡¡¡C:¡ç50 |