Table 2.

Descriptive statistics of input and output variables.

Variables	Minimum	Maximum	Mean	Std.Deviation
Trips50-100	8,559,832	25,539,735	19,257,694.98	2,904,221.66
Trips100-250	4,338,784	14,476,977	8,561,431.82	1,666,380.37
Trips250-500	987,829	3,651,375	1,840,907.28	471,200.03
Trips>500	316,759	5,003,062	1,004,558.47	793,705.37
TotalTrips	672,104,143	1,312,174,388	971,041,618.99	100,299,335.02
PopulationNotStayingatHome	216,955,650	271,777,284	243,663,530.41	9,289,566.35
WEI	−11.45	1.42	−6.08	3.24
NewDeaths	1	3164	1008.87	657.16
NewHospitalized	0	17,287	2160.02	1818.19
NewCases	24	234,817	55,651.36	51,009.55
NewTests	109	2,209,525	756,194.39	512,205.53
USDomesticFlights	6679	29,042	14,739.15	4577.04
USInternationalFlights	326	4694	1158.01	877.49