| 1996 | 2001 | 2007 | 2012 |
---|---|---|---|---|
1996 | Â | \(1.7 \times 10^{ - 2}\)* | \(9.8 \times 10^{ - 5}\)* | \(4.4 \times 10^{ - 7}\)* |
2001 | \(1.7 \times 10^{ - 2}\)* | Â | \(1.6 \times 10^{ - 2}\)* | \(7.0 \times 10^{ - 4}\)* |
2007 | \(9.8 \times 10^{ - 5}\)* | \(1.6 \times 10^{ - 2}\)* | Â | \(1.5 \times 10^{ - 1}\)* |
2012 | \(4.4 \times 10^{ - 7 }\)* | \(7.0 \times 10^{ - 4}\)* | \(1.5 \times 10^{ - 1}\) | Â |