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Table 6 Spearman correlations between the ranks of countries obtained using the number of unique IP addresses and each socio-economic index collected, and the ranks obtained using the number of Bitcoin client downloads and each socio economic index collected

From: Analysis of the Bitcoin blockchain: socio-economic factors behind the adoption

Economic index

Year

Client downloads

p-value

IP

p-value

GDP per capita

2011

0.675

8.25e−11

2012

0.638

1.69e−09

0.606

1.70e−08

2013

0.719

1.18e−12

0.704

5.13e−12

2014

0.686

2.92e−11

0.696

1.13e−11

HDI

2011

0.806

1.23e−17

2012

0.777

1.04e−15

0.733

2.46e−13

2013

0.791

1.38e−16

0.796

6.77e−17

2014

0.767

3.76e−15

0.751

3.00e−14

Inflation

2011

−0.409

3.62e−04

2012

−0.223

6.00e−02

−0.203

8.70e−02

2013

−0.317

6.60e−03

−0.277

1.83e−02

2014

−0.275

1.94e−02

−0.313

7.38e−03

Internet penetration

2011

0.780

6.67e−16

2012

0.748

4.51e−14

0.706

4.48e−12

2013

0.799

3.87e−17

0.794

8.56e−17

2014

0.780

7.27e−16

0.765

5.37e−15

Overall freedom

2011

0.706

5.26e−13

-

2012

0.678

9.08e−12

0.639

3.19e−10

2013

0.718

1.43e−13

0.677

9.86e−12

2014

0.693

2.05e−12

0.659

5.33e−11

Trade freedom

2011

0.814

1.41e−19

2012

0.817

7.85e−20

0.789

9.51e−18

2013

0.864

2.26e−24

0.850

8.10e−23

2014

0.839

9.26e−22

0.834

2.35e−21

  1. –, IPs data are not available for 2011.