| Year | Average bootstrap density | Estimated standard error for density | z-score | Proportion of absolute differences as large as observed |
|---|---|---|---|---|
| 1 | 0.1977 | 0.0787 | 2.4550 | 0.0188 |
| 2 | 0.3077 | 0.1440 | 2.0843 | 0.0356 |
| 3 | 0.5617 | 0.2069 | 2.6159 | 0.0136 |
| 4 | 0.4783 | 0.1642 | 2.8435 | 0.0092 |