Other things that may interest you.
The Swiss Federal Tax Authority has published the year-end exchange rates for all currencies as at 31.12.12 together with the annual average exchange rates for 2012. The main year-end exchange rates are as follows:
1 EUR = CHF 1.2068
1 USD = CHF 0.915351
1 GBP = CHF 1.487855
The full set of foreign currency exchange rates can be viewed here. We recommend our clients to use the SFTA's published exchange rates when converting foreign currencies.