The chart illustrates the number of tourist who visited to the four artifect gallery in the united states over a period of 15 year from 2005 to 2010.
In an overview , all the museums expect the american indian museum witnessed hike in the percentage of visitors in a period between 2005 and 2010 . It was also clear that in the amount of visitor among the four have decented after the year 2010
From the year 2005 to 2010, the percentage of tourist who had visited the artifect gallery expect the american indian faced surge in the number of vistors . The american historical museum was the most visited gallery among the four, which had an percentage hike approximate to 40 percentage ,followed by the air and space museum and natural historical museum with a percentage of 36 and 21.
By the end of the year 2015, all the museum faced decenting in the percentage of their visitors , among which the museum for air and space had huge loss of tourist upto 25 percentage. Mean while the natural historical gallery faced least number of decenting of tourists. Though the both american and american indian galleries had depressed 15 percentage approximately .