Well M2 > M0, so of course the amount of paper money doesnt exist to cover all monetary transactions. It is nothing surprizing, this is how the system is.

http://www.investopedia.com/terms/m/m2.asp
http://www.investopedia.com/terms/m/m0.asp

In the US only 28.5% of the electronic money is covered by cash:

http://www.tradingeconomics.com/united-states/money-supply-m0
http://www.tradingeconomics.com/united-states/money-supply-m2

And given the fact that M2 is rising rapidly, this ratio will be less and less!