The table illustrates the number of people participanted in and answered questions in a certain national health investigation of their sleeping habits from 2005 to 2009.
The table displays information about the men and women who answered a national well-being questionnaire about sleeping habits in the years 2005 to 2008.
The table graph illustrates the number of people taking the national health survey about their sleeping habits from 2005 to 2009. Overall, it is clear that the figure for survey has been dramtically increased over all th