中国的高等教育发展迅速，在校大学生人数不断增长，请你根据下面的图表及汉语提示，写一篇短文，描写其变化，并简析其原因。
思路指津：
中国的高等教育发展迅速，在校大学生人数不断增长，请你根据下面的图表及汉语提示，写一篇短文，描写其变化，并简析其原因。
1、 根据图表，对比新中国成立时与2002年在校大学生的人数。
2、 简单分析上述变化的原因：
1） 改革开放，经济发展，需要人才。
2） 政府重视教育，自1999年开始高校扩招。
3） 大多数人开始意识到高等教育的重要性。
注意：1）词数：100左右。
2）参考词汇：图表 chart 招生 enrollment 改革开放 reform and opening up
范文：
As we can see from the chart, China’s higher education is developing quickly. There were only about on million college students when New China was born in 1949, while the number reached 4.5 million in 2002.
Several factors have contributed to the development of China’s higher education. First, China’s rapid economic development, especially during the twenty years of reform and opening up, has laid a sound foundation. Second, the Chinese government has been trying hard to encourage the development of higher education. One of the measures taken was to increase college enrollment starting from 1999. Third, most people have begun to realize the importance of higher education