The alterations of average accommodation prices in five distinct cities between 1990 and 2002 in comparison with that of 1989 are indicated in the provided chart.
In common, there are five cities belonging to different countries mentioned in the graph, including New York in the USA, Madrid in Spain, Tokyo in Japan, Frankfurt in Germany, and London in the UK.
Initially, it can be observed that there are changes in prices in two periods of time compared. During the course of 5 years from 1990 to 1995, the percentage of most cities’ prices accounted for subzero numbers. New York, Tokyo, and London had their average prices varying from -5% to -10%, whereas the remaining cities could hardly reach the proportion of 2.5% each. Nonetheless, the outcomes of prices in New York (5%), Madrid (almost 5%) and London (over 10%) improved while Tokyo (-5%) and Frankfurt (lower than 2%) show showed no evidence of increasing average house expenses.