So we don't have quite as good data, but you can see here the share of single men having pre-marital sex, or married men having extra-marital sex, and how that changes from the early '90s to late '90s, and late '90s to early 2000s. The epidemic is getting worse.
我们没有这么好的数据，但你会发现 单身男人婚前性行为 或者已婚男人的婚外性行为的数据比例 如何从九十年代初到九十年代末， 从九十年代末到二十世纪初是如何变化的。疫情的传播变得更加严重。