Norwegian gosfond lost 90 billion dollars per year.

Norwegian Pension Fund Global, one of the world's largest public investfondov in the world, lost in 2008, 633 billion kroner (90 billion dollars). The main cause of loss was a world crisis, which led to the collapse of stock markets worldwide. This is the country's central bank said. Overall, 2008 was the worst in the history of investment fund.
Net loss for the period amounted to 23,3 per cent of the total assets of the Fund.
The amount of the Fund's assets at the end of 2008 stood at 2.27 trillion Norwegian kroner (about 323 billion dollars) compared with 2.02 trillion Norwegian kroner at the end of 2007. The total amount of the fund has increased due to record contributions to its budget.
Recall that the Norwegian pension fund is made up of revenues from the country's oil production. The Fund, managed by the Bank of Norway, is divided into two sovereign fund - The Government Pension Fund - Global, and The Government Pension Fund - Norway.
Public investment funds are established in many countries around the world to save the surplus in government revenues. In addition to Norway, such funds exist in the Gulf countries, Singapore and China. In Russia, for similar purposes and to establish a reserve fund for future generations.