表中数码①—④代表的国家依次是（　　）<table border="1" cellspacing="0" cellpadding="0" align="right" _dj="MsoNormalTable"><tbody><tr><td valign="top" width="57">国家</td><td width="57">①</td><td width="57">②</td><td width="57">③</td><td width="57">④</td></tr><tr><td valign="top" width="57">耕地</td><td valign="top" width="57">24</td><td valign="top" width="57">15.3</td><td valign="top" width="57">55.9</td><td valign="top" width="57">13.50</td></tr><tr><td valign="top" width="57">林地</td><td valign="top" width="57">19.5</td><td valign="top" width="57">45.6</td><td valign="top" width="57">9.3</td><td valign="top" width="57">16.60</td></tr><tr><td valign="top" width="57">草地</td><td valign="top" width="57">40.2</td><td valign="top" width="57">15.7</td><td valign="top" width="57">10.7</td><td valign="top" width="57">32.60</td></tr><tr><td valign="top" width="57">其他</td><td valign="top" width="57">16.3</td><td valign="top" width="57">31.4</td><td valign="top" width="57">24.1</td><td valign="top" width="57">37.30</td></tr></tbody></table>