The pipeline allowed an oil bonanza to take shape. Per capita incomes rose throughout the state, with virtually every community benefiting. State leaders were determined that this boom would not end like the fur and gold booms, in an economic bust as soon as the resource had disappeared. In 1976, the state's constitution was amended to establish the Alaska Permanent Fund, in which a quarter of all mineral lease proceeds is invested. Income from the fund is used to pay annual dividends to all residents who qualify, to increase the fund's principal as a hedge against inflation, and to provide funds for the state legislature. Since 1993, the fund has produced more money than the Prudhoe Bay oil fields, whose production is diminishing. , the fund's value was over $30 billion.