| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | job vacancy rate by occupational category, 2011 |  |  |  |  |
| 3 |  | canada | oil-producing provinces | central provinces | other provinces |
| 4 |  | percent |  |  |  |
| 5 | all occupational categories | 2.7 | 4.2 | 2.4 | 2.5 |
| 6 | managers and senior managers | 2.4 | 3.6 | 2.2 | 2.2 |
| 7 | professionals | 3.4 | 3.7 | 3.4 | 2.9 |
| 8 | technical personnel | 4.0 | 6.4 | 3.6 | 3.0 |
| 9 | trades workers | 3.6 | 7.2 | 2.7 | 3.3 |
| 10 | apprentices | 2.7 | 3.0 | 2.4 | 3.0 |
| 11 | sales and marketing personnel | 1.9 | 3.8 | 1.8 | 1.4 |
| 12 | administrative and office personnel | 2.0 | 2.4 | 2.0 | 1.8 |
| 13 | production or services workers | 2.5 | 4.2 | 2.1 | 2.6 |
| 14 | others | 2.0 | 3.8 | 1.5 | 2.0 |

Question: list the top3 occupational categories apparently in greatest demand.
Answer: technical personnel, trades workers, professionals

Question: which province need technical personnel and trades workers most?
Answer: oil-producing provinces

Question: which province need production and services workers and sales personnel most?
Answer: oil-producing provinces