The chart below shows the number of houses sold in 8 cities in the world for more than 5 million US dollars in 2009 and 2014.
An overview for the prompt above: 👆👆👆👆
The data suggest two distinct patterns: London, New York, and Hong Kong were at the higher end of the spectrum, while others exhibited significantly lower figures, with Dubai at the lower end. Another salient pattern is that sales rose across all cities, especially in Dubai and London, except in Singapore.
