| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | this table displays the results of source of value-added growth period, 1981 to 2000, 2000 to 2008 and 1981 to 2009, calculated using percent and percentage points units of measure (appearing as column headers) |  |  |  |
| 3 |  | period |  |  |
| 4 |  | 1981 to 2000 | 2000 to 2008 | 1981 to 2009 |
| 5 |  | percent |  |  |
| 6 | value-added growth (log), annual average | 3.22 | 0.39 | 2.31 |
| 7 |  | percentage points |  |  |
| 8 | contribution |  |  |  |
| 9 | labour input | 0.08 | 0.84 | 0.32 |
| 10 | produced capital input | 2.45 | 4.64 | 3.16 |
| 11 | natural capital input | 0.43 | 0.16 | 0.34 |
| 12 | multifactor productiivty | 0.26 | -5.25 | -1.51 |
| 13 |  | percent |  |  |
| 14 | multifactor productivity growth (log), annual average before adding natural capital | -0.04 | -6.96 | -2.27 |

Question: from 1981 to 2009,what's the percentage of the log growth of value-added in oil and gas extraction per year?
Answer: -2.27