Table 5 The mean value of variables in different intervals of patents for utility models and patents for design
|  | 80–90 | 70–80 | 60–70 | 50–60 | 50–40 | 40–30 | 30–20 | 10–20 | 1–10 |
|---|---|---|---|---|---|---|---|---|---|
Trade | 25.3 | 24.4 | 22.3 | 16.7 | 18.7 | 17.9 | 13.6 | 10.6 | 11.9 |
R | 2.6 | 7.7 | 9.5 | 9.6 | 17.7 | 14.3 | 20.2 | 21.6 | 23.5 |
E | 5.0 | 10.6 | 9.7 | 10.0 | 15.2 | 15.0 | 20.7 | 26.0 | 19.6 |
Trade 1 | 2.2 | 7.2 | 9.5 | 10.1 | 15.5 | 14.8 | 20.2 | 22.9 | 23.7 |