| Response | Votes | |
|---|---|---|
| Less than 4 years |
|
26% |
| 8 years + |
|
18% |
| 6 years + |
|
16% |
| 10 years + |
|
12% |
| 4 years + |
|
11% |
| 15 years + |
|
9% |
| 12 years + |
|
7% |
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