Actuaries said last week the Arkansas Teacher Retirement System will need more than 100 years to pay its current unfunded liabilities of $4.4 billion, up from a 66-year projection in June 2011.

Executive Director George Hopkins said the pension system had zero returns on investments in fiscal year 2012, which ended June 30. The value of the portfolio has increased to $11.7 billion from $11.4 billion since fiscal 2013 began, he said.

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