A Money Riddle; Vault Cash and Savings Deposits

http://research.stlouisfed.org/fred2/series/TLVAULT

If there’s about $62.325 Billion in Vault Cash, and 100 million savings account holders wanted $1,000 each at the same time from more than $7 trillion in savings deposits, where would the $100 billion come from? 

http://research.stlouisfed.org/fred2/series/WSAVNS

If there's really not more than $7 trillion "saved" in our nation's banking system, where's the money?

If there was about $50 billion in Vault Cash in 2010 along with about $4.5 trillion in savings, and Vault Cash only went up about $13 billion since while savings rose about $2.5 trillion...?

From Mike "Mish" Shedlock on the Euro quarter end spectacular SSDD

""it is far from clear that Germany is willing to give up their own banks
to supervision by the ECB."

It is also unclear what will happen to insurance,
which can not be monitored by the ECB according to the EU Treaty.

Or if the conditions to be imposed in order to use the European Stability Mechanism (MEDE),
conditions that likely will go beyond the financial sector...