He blamed the falling dollar and rising American debt.
The United Nations puts the American debt at $1.7 billion.
Furthermore, by 1992 the American debt will have risen to $900 billion, many economists estimate.
The organization's budget officials say the American debt constitutes more than half of its $2.3 billion in outstanding dues.
The American debt to the organization mounted to a level nearly twice the annual operating budget.
Japanese investors are the biggest international holders of American debt.
Many forecasts suggest that the total American debt to foreigners could top $1 trillion in the early 1990's.
On the other hand, when American debt is held by overseas investors, they receive interest and principal repayments.
There is nearly $7 trillion of direct or indirect American debt outstanding.
The fund can buy bonds but she held only small amounts of American debt for short periods in 1990.