Hello again, Louis, and you're most welcome.
Thanks for your second question.
You are absolutely correct, that this figure is not available to the public, but I did find some information (albeit about 10 years old), which you may find interesting: (from: http://www.umsl.edu/services/govdocs/wofact99/20.htm#3)
"How many people work for the Central Intelligence Agency and what is its budget?
Neither the number of employees nor the size of the Agency's budget can, at present, be publicly disclosed. A common misconception is that the Agency has an unlimited budget, which is far from true. While classified, the budget and size of the CIA are known in detail and scrutinized by the Office of Management and Budget and by the Senate Select Committee on Intelligence, the House Permanent Select Committee on Intelligence, and the Defense Subcommittees of the Appropriations Committees in both houses of Congress. The resources allocated to the CIA are subject to the same rigorous examination and approval process that applies to all other government organizations.
In 1997, the aggregate figure for all U.S. government intelligence and intelligence-related activities—of which the CIA is but one part--was made public for the first time. The aggregate intelligence budget was $26.6 billion in fiscal year 1997 and $26.7 billion for fiscal year 1998. The intelligence budget for fiscal year 1999 has not been publicly released."