The given table demonstrates the population ratio of females per 100 males in six different areas (Africa, Asia, Europe, North America, Central America, and Oceania) in 1995 and 2005.
Overall,while the North America and the Europe had a constant decrease,other areas followed an interrupted upward trajectory during the period.
In 1995, the average population ratio of females per 100 males had been 100.1 in the North America.As a result,in 2005 the result has been dropped from 100.1 to 96.9.The most high result between others is the Oceania.The highest result is 103.9 in 1995.However,the Oceania result was dropped from 103.9 to 99.8.
The Asia show results as like 105.3 in 1995.The result is most highly results after the Oceania results.
In the contrast,such results as the Africa and the Central America had followed an interrupted downward trajectory.While the figure for Africa accounts for 99.2 in 2005 and the Central America counted at 97.5 during 2005.