Context: The 2009 Human Development Report by UNDP was released on October 5, 2009, and covers the period up to 2007. It was titled "Overcoming barriers: Human mobility and development". The top countries by HDI were grouped in a new category called "very high human development". The report refers to these countries as developed countries. They are:

Question: On what date was the 2009 Human Development Report released?
Answer: October 5, 2009

Question: What period is covered by the 2009 Human Development Report?
Answer: period up to 2007

Question: What was another title for the 2009 Human Development Report?
Answer: Overcoming barriers: Human mobility and development

Question: What new category was added in the 2009 Human Development Report?
Answer: very high human development

Question: How does the 2009 Human Development Report refer to countries that rank "very high"?
Answer: developed countries

Question:  On what date was the 2008 Human Development Report released?
Answer: Unanswerable

Question: What period is covered by the 2008 Human Development Report?
Answer: Unanswerable

Question:  What was another title for the 2008 Human Development Report?
Answer: Unanswerable

Question: What new category was added in the 2008 Human Development Report?
Answer: Unanswerable

Question: How does the 2008 Human Development Report refer to countries that rank "very high"?
Answer: Unanswerable