I have 84 papers with 205 citations from the year 1992 and only 85 citation from the year 2007. I exported these papers from this website and uploaded the file to microsoft academic site, but the number of citations did not change.
Thank you for your interest in Microsoft Academic Search.
Citation information is calculated based on the tens of millions of scholarly articles currently discoverable within Microsoft Academic Search. As more content gets indexed, accuracy and completeness will continue to improve.
We hope you continue to explore and enjoy our site. If you have any questions or need further assistance, please do not hesitate to ask.