Augmented Dickey-Fuller test statistic
Variable	Order of difference	t-Statistic	Prob.*
$L C T_{i, t}$	0	−0.227	0.935
$L C T_{i, t}$	1	−4.956	0.000
$C M D_{i, t}$	0	−2.349	0.157
$C M D_{i, t}$	1	−5.694	0.000
$R D P r o p o r t i o n_{i, t}$	0	−2.302	0.171
$R D P r o p o r t i o n_{i, t}$	1	−10.492	0.000