the graph shows average co2 emission per person

The line chart illustrate amount of carbon dioxide was emitted per person in various countries named uk, Sweden, ltaly and Portugal from 1967 to 2007. It is noticeable that however production of co2 in uk had a downward trend over the period shown, it had highest rate among whole counties. regarding to graph data, in 1967 uk emitted about 11 tonnes of co2 production which decrease gradually and reached to lowest level in 2007. the figure for Sweden had a different pattern, it begin from 9 tonnes of co2 emission and rised to a peak at 10 tonnes by a decade. However, the co2 emission between 1987 and 2007 is similar to uk and experience a decline by around 4 tonnes co2. As far Italy and Portugal as concerned, both of them escalated sharply over the years mentioned. from 2 and 4 tonnes in 1967 to 7 and 5 tonnes for individual, respectively. It was clear that in 2007, the usegae of Italy and Portugal was same. Overall, majority of co2 was emitted by uk but Portugal was minimum among four countries over 4 decades.