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The graphs provides the information about the figure for tourism statistics and what reasons are arrival to Japan during the period between 2010 and 2011.
Japan had a highest proportion of tourism at 74% in 2010, compared to around 10% in other reasons. The proportion of average humidity remained the stable trend, in contract, the figure for average temperature had a considerable fluctuation throughout the period and it reached its peak in August at 27°C, so this is a reason why the figure for tourism statistics had a highest point on August in 2010 around 900000. Similarly, Japan had the lowest proportion of average temperatures and humidity, leading to the figure for tourism statistics became lower than other month.
On the other hand, the figure for tourism statistics dropped sharply to 300000 from January to April, before rising to 550000 in July in Japan. In addition, it had a steady trend but the figure for tourism statistics was lowest throughout the period. There is a reason for this is Japan on 11th March 2011 happened a largest world disasters and then it effected on main tourist cities. Similarly, the proportion of tourism in Japan saw a slightly decline to 63% in 2011.
Overall, from around July 19 or 20 through August is school summer vacation between 2010 and 2011, which was attract a large number of tourists visiting Japan.