时间 | r0 | t值 | r1 | t值 | r2 | t值 | r3 | t值 | F值 | R2 |
2009 | −0.304 | −0.877 | 0.7542 | 1.0788 | −0.381 | −1.062 | 0.1528 | 0.8604 | 0.5795 | 0.0364 |
2010 | −0.016 | −0.051 | 0.0514 | 0.0830 | −0.021 | −0.068 | −0.101 | −0.642 | 0.2123 | 0.0137 |
2011 | −0.049 | −0.214 | 0.0341 | 0.0743 | −0.024 | −0.102 | 0.1442 | 1.2387 | 0.6593 | 0.0412 |
2012 | 0.1544 | 0.6591 | −0.323 | −0.685 | 0.1731 | 0.7156 | 0.0238 | 0.1988 | 0.7360 | 0.0458 |