Table 2 Variable descriptive statistics.
Variable name | 2000–2010 | 2010–2020 | ||||||
---|---|---|---|---|---|---|---|---|
Mean | Std. dev. | Min | Max | Mean | Std. dev. | Min | Max | |
blue | 2.77 | 5.69 | 0.01 | 82.16 | 2.55 | 5.09 | 0.02 | 73.34 |
green | 43.79 | 31.13 | 0.01 | 98.94 | 42.95 | 30.76 | 0.01 | 98.78 |
bg | 46.56 | 30.21 | 0.36 | 99.09 | 45.50 | 29.86 | 0.39 | 98.94 |
tmp | 1.57 | 10.20 | -25.77 | 21.78 | 2.55 | 9.85 | -23.70 | 23.06 |
PM | 44.51 | 21.92 | 12.98 | 93.91 | 26.91 | 13.32 | 1.86 | 61.53 |
PGDP | 3.69 | 4.28 | 0.74 | 45.05 | 7.31 | 6.37 | 2.23 | 39.47 |
IndII | 38.83 | 23.58 | 17.12 | 89.75 | 30.51 | 17.81 | 8.85 | 67.42 |
IndIII | 27.19 | 17.00 | 9.76 | 75.11 | 39.35 | 21.09 | 28.47 | 83.87 |
library | 66.14 | 190.12 | 4.47 | 2649.30 | 145.13 | 467.30 | 3.37 | 6735.96 |
teacher | 1.02 | 0.96 | 0.07 | 8.77 | 1.15 | 1.13 | 0.07 | 9.55 |
doctor | 0.24 | 0.28 | 0.03 | 2.57 | 0.39 | 0.49 | 0.01 | 4.44 |