I recently started playing with stackexchange data. You can use that web app to look up existing queries created by other users or create your own, against any stackexchange site. If you are asking how you can obtain, for example, how many time a certain tag is viewed as a part of a question to discover what’s ‘trendy’ if you think that the number of questions and aswers ( and the views count ) are meaningful by this point of view. If you think this is interesting you can leverage stackexchange data to extract almost whatever you want. Here below some example:
Or if you are curious about your position in your country in term of reputation you can modify this query:
