Country Code

S1 Price in US $

S2 Price in US $

S3 Price in US $

AUS

N

38

41

52

Mean

1.3583

2.4710

2.9329

Std. Deviation

1.26227

1.33759

1.48217

GER

N

47

37

37

Mean

2.2399

2.5275

2.7039

Std. Deviation

1.79893

0.98944

1.34284

PL

N

28

39

34

Mean

1.5147

2.2646

2.4671

Std. Deviation

1.49059

1.79008

1.23693

USA

N

41

39

38

Mean

1.4939

1.9874

2.2105

Std. Deviation

1.75742

1.36886

1.57494

Total

N

154

156

161

Mean

1.6919

2.3119

2.6114

Std. Deviation

1.64133

1.40674

1.43989