I'm a Swiss citizen and the continuous fall of the US Dollar and rise of the Swiss Franc has me worried.
These links drive it home:
http://en.wikipedia.org/wiki/Tables_of_historical_exchange_rates_to_the_United_States_dollar
http://fxtop.com/en/historates.php?C1=USD&C2=CHF&YA=1&DD1=02&MM1=09&YYYY1=2006&B=1&P=&I=1&DD2=02&MM2=09&YYYY2=2011&btnOK=Go!