The chart below shows information about changes in average house prices in five different cities between 1990 and 2002 compared with the average house prices in 1989.

This bar chart illustrates 1the average house pricesaverage value of house from 1990 to 2002 in two different stages, 2compared within compearing with 3prices in 1989that in 1980, of five particular cities from different countries. The first part of the diagram indicates variation from 1990-1995. In these five years, average values of house in three cities (New York,Tokyo and London) 4showed an obvious decreaseshows a abviouse decrease 5of around 5% to 7.5%about account for around %5 to 7% than that in 1989. Meanwhile 6the other two cities’other two citiys’ house values 7presented an increasepresent a increase than that in 1989. 8And can be seen from the second part which shows the last five 9years’years’s 10variation, onlyvariation.only one city (Tokyo) still presents a 5% decrease than that in 1989. Moreover, London’s average house value has a sharp rise 11by over 10%to the 10 percentage change from 1989 prices. There are only 12only Tokyo saw a decrease in 1996-2002two cities’ mean house prices show decrease in 1996-2002 than those in 1990-2002 13compared withby compearing with that in 1989. 14Overall ,it clearly shows an 15increase in house pricesexpense in house wealthy from 1990 -2002 in most cities. And it also shows that 16in the two different periodsin different stage of the decade (from 1990-2002) average house 17prices showed different trendsprices presents different variation than that in 1989.