The bar graph provides information about the net supply of reuseable for of energy in Australia, Germany, Norway, and Iceland in year 2000, 20004, and 2007
Overall, Australia remained the only country over the years to have least supply of renewable energy with some fluctuations. Whereas, Norway had highest percentage throughout the period which increased as time passed by.
Australia had a wierd change in the value as the value was below 10 in 2000, which increased to 10 in 2004 followed by slight decline under 10 in 2007. Similarly, Germany had a trend of increasing the import as seen throughout the years. In year 2000, the data showed the number to be above 10 which slightly increased in year 2007, reaching just below 20.
Furthermore, Norway also took an increasing direction as the statistics reached from slightly above 60 percentage in year 2000 to just below 80 percentage. Moreover, Iceland had some gradual changes in its data. Since, in 2000 the record was identical to 50 percentage which rose to 60 in 2004 followed by a slight downfall right below 60.