| 1969-1980 | 1980-1990 | 1990-2000 | 2000-2012 | 1969-2012 |
Oklahoma Nominal PCI | 10.08 | 5.38 | 4.37 | 4.20 | 5.99 |
Oklahoma Real PCI1 | 3.13 | 1.16 | 2.26 | 2.05 | 2.16 |