The given vertical barchart demonstrates the mean growth of national products in developed countries, developing countries and lease developed countries over a time frame of 30 years.
In general, the average growth of domestic products in developing countries are slowly increasing and the mean advancement of local goods in well-developed countries are decreasing gradually in the last 30 years.
We can see from the data that rich countries growth of domestic products in 1960 was almost 50%. However, the numbers had a sudden fall in 1970. After 1970s, the mean increase of wealthy countries gradually decreasing in 1980 and 1990, the percentages were 22% and 20%. On the other hand, the average increase of local products in developing countries are slowly increasing every 10 years. But in 1990, the average growth dramatically rose from 32% to almost 50%.
On the contrary, the mean expansion of the domestic goods in the under developing countries had been fluctuating a lot. In 1960, the percentage was 25%. Next the number jumped to 35%. Whereas the average growth had a drastic downfall in 1980. Finally, the mean increase slowly increased to 15%.
