The chart bar given shows the rank of water reservoirs through the six different cities of Australia from 2009th October to 2010th October.
Overall, in 2009 Darwin showed the highest amount of reservoirs with 75% while Melbourne stood at the lowest rank in this year. But in 2010, Brisbane registered 100% of reservoirs when Perth ended up with 26% which was low ranked amount in that year. And Sydney didn’t show a fluctuation and showed 49% through the period.
First of all, Brisbane and Darwin were stood at the same level-75% of reservoirs in the first year of period and ended up with different levels of proportion in the October of 2010 (Darwin-80%,Brisbane-100%). Meanwhile, Canberra had dramatically increase in the proportion of reservoirs- from 50% in 2009 and 73% in the next year(2010).
On the other hand, Perth faced decrease for 25% and ended up being the lowest ranked city in 2010 from 51% to 26%. Through the period, Melbourne have slightly grew from 35% to 45% but Sydney peaked at 49% which was the same proportion from 2009 .
