variable

min

max

average

median


X

743.9

168.2

208.4

197.8

Y

868.2

26.3

339.6

328.5

t

270

715

491

556

 X and Y are the geographic coordinates (in km) of the municipality centroids adjusted to the area of BT introduction, t is the number of days to the BT introduction in 2006 (excluding 90 days corresponding to the period from 1 January to 31 March), min and max, are the minimum and maximum values, respectively.