These data are available through a site called Google Trends, which allows anyone who cares to do so to 4.download an index of the aggregate volume of searches for particular terms or categories.

• 这些数据都是通过一个叫谷歌趋势的设置得到的，这个设置可以使任何关注这方面的人因为某种特定的项目或者原因下载总计搜索量的索引。