What is true about unemployment according to the diagram that shows the long-term unemployment rate as a percentage of total unemployment for the four countries W, X, Y and Z from 2002 to 2007?
- ACountry W had the lowest percentage of short-term unemployment.
- BCountry X was least successful in reducing the percentage of long-term unemployment.
- CCountry Y was least successful in reducing the percentage of short-term unemployment.
- DCountry Z had the highest percentage of long-term unemployment.