The report excludes data on content removed by default by Google which violate its content policies such as pornography and copyright requests which are primarily received from private parties. This report is a significant first step and should be adopted by other social media sites.
The most shouted category Government Criticism seems to account for a low volume of requests. It seems that this category may be touted more vigorously by media when Governments try to regulate Internet content. We have seen this recently in India.