Year: 1969-1970 Oklahoma: $42,149.00 National: $52,830.00 |
Year: 1979-1980 Oklahoma: $39,060.00 National: $47,592.00 |
Year: 1989-1990 Oklahoma: $42,034.00 National: $57,152.00 |
Year: 1999-2000 Oklahoma: $42,772.00 National: $57,133.00 |
Year: 2009-2010 Oklahoma: $50,907.00 National: $58,925.00 |
Year: 2012-2013 Oklahoma: $44,128.00 National: $56,383.00 |