| age | 1955 | 1965 | 1980 | 1997 | 2009 | |||||||||
| NLD | JP | NLD | JP | KOR | NLD | JP | KOR | NLD | JP | KOR | NLD | JP | KOR | |
| 6 y | 115.7 | 109.9 | 117.8 | 113.0 | 111.9 | 121.5 | 115.7 | 115.4 | 120.1 | 116.7 | 119.5 | 119.9 | 116.7 | 121.9 |
| (−5.8) | (−4.8) | (−5.9) | (−5.8) | (−6.1) | (−3.4) | (−0.6) | (−3.2) | (+2.0) | ||||||
| 12 y | 147.5 | 138.5 | 149.6 | 144.1 | 141.8 | 154.1 | 149.5 | 145.2 | 154.0 | 152.4 | 153.1 | 155.7 | 152.5 | 157.9 |
| (−9.0) | (−5.5) | (−7.8) | (−4.4) | (−8.9) | (−1.6) | (−0.9) | (−2.7) | (+2.7) | ||||||
| 17 y | 173.5 | 163.2 | 176.1 | 166.4 | 163.8 | 182.3 | 169.6 | 167.3 | 181.3 | 170.9 | 171.9 | 181.0 | 170.7 | 173.8 |
| (−10.3) | (−9.7) | (−12.3) | (−12.7) | (−15.0) | (−10.4) | (−9.4) | (−12.3) | (−7.2) | ||||||