| Number | Mean | Standard deviation | Minimum | Maximum |
Tertiary industry added value growth rate | 310 | 5.23 | 4.93 | 0.87 | 14.67 |
Growth rate of total imports and exports of goods (R1) | 310 | 12.52 | 30.14 | −47.50 | 152.08 |
Growth rate of urban population (R2) | 310 | 0.36 | 0.46 | 0.00 | 1.32 |
Growth rate of college graduates (R3) | 310 | 3.02 | 4.92 | −0.28 | 8.97 |
Household disposable income growth rate (R4) | 310 | 3.54 | 2.54 | 0.87 | 9.46 |
Growth rate of the proportion of employees in the tertiary industry (R5) | 310 | 0.76 | 1.10 | 0.01 | 1.82 |
GDP growth rate per capita (R6) | 310 | 3.12 | 3.01 | 0.77 | 11.39 |