| |
Afonso & St. Aubyn (2005) [2]
|
Bhat (2005) [4]
|
Gearhart (2016) [8]
|
Kim & Kang (2014) [13]
|
|---|
|
Austria
|
22
|
23
|
14
|
6
|
|
Belgium
|
13
|
16
|
15
|
15
|
|
Canada
|
7
|
4
|
22
|
19
|
|
Czech Republic
|
17
|
18
|
9
|
21
|
|
Estonia
|
10
|
5
|
1
|
17
|
|
Finland
|
15
|
13
|
12
|
4
|
|
France
|
18
|
17
|
16
|
10
|
|
Germany
|
20
|
15
|
21
|
18
|
|
Iceland
|
12
|
14
|
10
|
2
|
|
Israel
|
8
|
2
|
5
|
5
|
|
Japan
|
4
|
3
|
8
|
11
|
|
Korea
|
1
|
9
|
6
|
12
|
|
Luxembourg
|
9
|
11
|
17
|
3
|
|
New Zealand
|
14
|
1
|
18
|
20
|
|
Norway
|
23
|
12
|
20
|
14
|
|
Poland
|
2
|
6
|
2
|
8
|
|
Portugal
|
3
|
20
|
3
|
1
|
|
Slovak Republic
|
19
|
21
|
11
|
23
|
|
Slovenia
|
5
|
7
|
7
|
7
|
|
Spain
|
11
|
19
|
4
|
9
|
|
Sweden
|
6
|
8
|
19
|
13
|
|
Switzerland
|
21
|
22
|
13
|
16
|
|
US
|
16
|
10
|
23
|
22
|
- This is estimated for the year 2010. These are the efficiency rankings, by country, in 2010, using the hyperbolic order-α estimator
