Group number | Per capita GDP (exchange method) | Number of samples | The average adjustment of K value |
1 | 200 - 850 | 13 | −0.110529273 |
2 | 851 - 1350 | 14 | −0.057415362 |
3 | 1351 - 2000 | 14 | −0.015439572 |
4 | 2001 - 3700 | 14 | −0.102762526 |
5 | 3701 - 5500 | 14 | −0.009780426 |
6 | 5501 - 10,500 | 15 | 0.15983 |
7 | 10,500 - 15,000 | 13 | −0.159294905 |
8 | 15,001 - 25,000 | 12 | −0.005223157 |
9 | 25,001 - 47,000 | 15 | −0.067210701 |
10 | 47,001 - 120,000 | 15 | −0.058948123 |