In my old post there is a bug when run in MySQL 5.1.30 and old, because the status variable Queries was added in MySQL 5.1.31. So i change to choose between Queries and Questions status variables, and I think the Queries represent more accurate result.
http://forge.mysql.com/tools/tool.php?id=217
By the way:
# Queries The number of statements executed by the server. This variable includes