Table 2 Descriptive statistics

P_it

1462.75

4594.54

3762.37

12,019.43

6.31

290,670.50

D _ PiSubstance_st

0.24

0.43

0.46

0.50

0

1

D _ PiE_it

0.11

0.32

0.25

0.43

0

1

N _ PiSubstance_st

0.62

1.36

1.52

2.11

0

11

N _ PiE_it

0.24

0.82

0.61

1.34

0

9

D _ Th_st

0.82

0.39

0.84

0.37

0

1

D _ ThGen_st

0.53

0.50

0.54

0.50

0

1

N _ Th_it

2.93

2.50

3.23

3.86

0

28

N _ ThGen_st

0.89

1.15

1.11

1.41

0

8

Q_st (in millions)

12.91

66.71

9.34

44.40

0.00

85,300.00