下图为世界财富“500强”跨国公司的变化，其信息反映的实质是(　　)<table border="1" cellspacing="0" cellpadding="0" _dj="MsoNormalTable"><tbody><tr><td width="86">国家/年份</td><td width="54">1991</td><td width="54">1997</td><td width="54">2001</td><td width="54">2005</td><td width="54">2009</td></tr><tr><td width="86">美国</td><td width="54">157</td><td width="54">175</td><td width="54">186</td><td width="54">175</td><td width="54">140</td></tr><tr><td width="86">欧盟</td><td width="54">134</td><td width="54">155</td><td width="54">143</td><td width="54">157</td><td width="54">152</td></tr><tr><td width="86">日本</td><td width="54">119</td><td width="54">112</td><td width="54">105</td><td width="54">81</td><td width="54">68</td></tr><tr><td width="86">中国</td><td width="54">0</td><td width="54">4</td><td width="54">11</td><td width="54">15</td><td width="54">34</td></tr><tr><td width="86">其他</td><td width="54">47</td><td width="54">10</td><td width="54">26</td><td width="54">33</td><td width="54">45</td></tr></tbody></table>