The following pie charts indicate the switch system of transport used by women in major the cities of the United States to travel for working between 1999 and 2009.
It is clear that the use of trains is in the same range in both 1999 and 2009. And others are not only increasing but also decreasing.
As we can see in the charts, in 1999, the percentage of train accepting was 17% and also had been seventeen percent in 2009. On the other hand, the rate of busses was higher in the 20th century than 21th century, which is 21% in 1999 and 18% in 2009. Similarly, metroes applying had gone down about 2% between 1999 and 1000.
In addation, the apply of bicycles in 1999 was just six percent and it raised up to 11 percent in 2009. In the same way, the percentage of car sharings had also gone up from 2% to 4%.