The line graph given illustrates the trends of visitors’ number of one Caribbean island from 2010 to 2017. The vertical axis shows the number of tourist in millions , and the horizontal axis represents the time period by years . Overall , there was an upward trend of the total number of tourist for all over the period , and it reached a peak at 3.5 (millions of tourists) in 2017 . The graph provides also an detailed information about the accomodation preferences , the dotted line demonstrates the visitors who stayed on cruise ships , and the dashed line shows the numbe of tourists stayed on island.
Looking at the dotted line , cruise ships werw unpopular to stay at the beginning of the period (about 0.25 million visitors) , then it fluctuated till 2013 , and from that time , the popularity of the cruise ships increased significantly . As a result , cruise ships overtook the usage of on-island accomodations in the middle of 2015 , and reached a peak of 2 million in 2017 .
As for the dashed line , the number of tourist staying on island leveled off between 2010 and 2011 at 0.75 million , after that , there was a rapid rise till 2013 ; the number of visitors almost doubled during this time and reached 1.5 million . It was followed by the period of stability till 2015 . From that time there was a brief dip in 2016 (about 1.25 million visitors) , and then the trend recovered to 1.5 million .
The totalnumber of island visitors , represented by the solid line , showed an gradual increase from 2010 to 2012 (the actual number increased from 1 million to 1.5) . Then it rose dramatically , and in 2014 , the number of tourist reached 2.5 million . After that , there was a slight increase , and between 2016 and 2017 it rocketed reached a peak (from 2.75 to 3.5 million) .