描述图表：
11. As the bar chart shows, the number of ______ has dramatically increased/decreased during the ______ years from ______ to ______.
如柱状图所示， ______的数量从 ______年到 ______年 ______年之间急剧增加/减少。
12. From the graph, we know the statistics of ______ and ______ . It can be seen easily that ______.
从图表中我们可知 ______和 ______的数据。我们可以很容易地看出 ______。
13. From the bar chart, it is clear that between ______and ______ the amount of ranged from ______to ______ .
从柱状图中可以清楚地看到，从 ______到 ______， ______的数量在 ______到 ______之间变化。
14. As the bar chart shows, great changes concerning ______ took place between ______ and ______ .
柱状图表明，从 ______到 ______， ______发生了很大的变化。
15. As can be seen in the graph, ______ saw great changes in ______ between ______ and ______ .
从图表可知，在 ______到 ______之间， ______发生了巨大变化。
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