We do not keep specific statistics on this, but needless to say it's probably in the thousands.
WikiAnswers ranks your contributions by how many questions, answers, edits and community work you contribute to the WikiAnswers community.
Go to your bio page.
I have made many contributions to Wikianswers, in fact I am nearly a silver contributor.
200,000 contributions
There are hundreds of users on wiki answers with over ten thousand total contributions. Some users have even made more contributions than that in the past month. Click on the trophy icon at the top of this page for information on which users have made the most contributions to WikiAnswers in certain areas.
More than anybody can count. That's a good thing, because that means everyone is helping WikiAnswers site make it better! Keep up the good work!
Many people and organizations have made huge contributions to education, including UNESCO and Jean Piaget
== == Sorry, but this is not possible. To do it we would need to verify who made the anonymous contributions. Although this would be possible in many cases (since many people have dedicated IP addresses) we could not always be sure. Moreover, this could get tricky for privacy reasons.
It is impossible for us to find out how many people know about WikiAnswers.
Many people made valuable contributions toward navigation
The thing that matters more than the number of contributions is the quality of contributions. On WikiAnswers, even though you may have 1,000 contributions, many may be vandalism. The better the quality, the better the chances. Also, there are a few requirements that need to be met. See the related question below.
Well, it depends on what you mean by "contributes." There are many different types of contributions... the fastest ones usually are people chatting on the forums or on the message boards.