The Russian national budget relies heavily on taxes from the sale of oil and other natural resources, and oil prices have dropped sharply over the past year.

VOA: standard.2009.05.25

Then it dropped to about 1100 a little over a year later.

但是，一年多时间里又跌回1100点。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

We all know that overseas development assistance allocated to agriculture dropped from 18 percent in 1978 to just over four percent in 2008, The amount of money spent by developing countries on agriculture during that same period also dropped sharply.

VOA: standard.2010.03.29