Template:R-71 poll
From Ballotpedia
| Date of Poll | Pollster | In favor | Opposed | Undecided/Other |
|---|---|---|---|---|
| 2006 | Washington Poll | 58% | 26% | 16% |
| 2007 | Washington Poll | 59% | 22% | 19% |
| 2008 | Washington Poll | 66% | 21% | 13% |
| September 2009 | Greenberg Quinlan Rosner (GQR) | 51% | 44% | 4% |
| September 2009 | Elway Poll | 46% | 41% | 13% |
| October 2009 | Greenberg Quinlan Rosner (GQR) | 53% | 36% | 11% |
| Oct. 3 - 5 | KING5/Survey USA | 45% | 42% | 13% |
| Oct. 14 – 26 | Washington Poll | 56% | 39% | 5% |
