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| Time segment | Lower endpoint, year | Upper endpoint, year | Annual percentage change (95% CI) |
|---|---|---|---|
| 1 | 1938 | 1944 | 13.2 (6.0 to 20.9) |
| 2 | 1944 | 1947 | −16.7 (−43.5 to 22.8) |
| 3 | 1947 | 2013 | 2.3 (2.2 to 2.5) |
CI: confidence interval.
