The line graph compare the number of people who visite to a musuem at least one time a year over a peroid of 30 years from 1980 to 2010.
Overall, it is readily apparent that people who aged over 50 was the largest visitor of a musuem, while the lowest figures could be found in age between 15 and 24.
Looking first at the period from 1980 to 1990, the figures shows flucated. In 1980, people aged over 50 witnessed the largest percentage in visite a museum, compared to about 40% of people age from 25 to 49. People aged in 15-24 rose grdually at approximately 20% while the group of 50 slightly decline by about 45%. Moreover, people in 25-34 age group and 35-49 age group, shared a similar figures.
Moving to 1995, age over 50 people experienced a decrease at about 40%, whereas 25-49 people rose dramatically and exceeded 35-49 at 40%. Four age group saw a stable trend during the period. Furthermore, the numer of people in 15-24 years old remained stable until 2005, witnessed a decline above 20% by 2010.