The given picture line graph show population changes in three countries which are Columbia,Yamhill and Washington in the US state of Oregon between 1940 and 2000.
Overall, population changes number climbed all of the group. Notably, population in state of Washington were accounted for normally level. The figure remarkably rose dominate two groups which are Columbia and Yemhill.
In 1940 number of population in Columbia stood at approximately to 28. And this figure unnoticeably grew to aproox 31 comes to 1970. Accordingly increase to the figure. Comes to the final year, dramatically increase population changes to 75 in 2000. Correspondingly the group population changes in Yemhil beginning approximately same levels with Columbia to 30. In 1970 population number climbed to 45. Comes to in 2000 the number sharply escalated to 90.In Washington population amount of 75 in 1940.The number changes with climbed approx to 125 in 1970. Final year Washington population drastically under went escalated to 250 in 2000.
