| 日付 | 値 | 変更 , % |
|---|---|---|
| 2021 | 23,880,000 | 5.91% |
| 2020 | 22,548,000 | 11.08% |
| 2017 | 20,299,000 | 13.70% |
| 2016 | 17,853,000 | -5.02% |
| 2015 | 18,796,000 | 8.06% |
| 2014 | 17,394,000 | 9.35% |
| 2013 | 15,907,000 | -3.37% |
| 2012 | 16,461,667 | -0.43% |
| 2011 | 16,532,000 | -3.60% |
| 2010 | 17,149,000 | 46.21% |
| 2009 | 11,729,000 | 3.57% |
| 2008 | 11,325,000 |