Azerbaijan
Yearly
1992 - 2018
27 Data Points
$1.99
Belgium
Yearly
2008 - 2015
7 Data Points
$1.99
Colombia
Yearly
2000 - 2016
17 Data Points
$1.99
Finland
Yearly
2008 - 2015
8 Data Points
$1.99
World
Yearly
2006 - 2012
7 Data Points
$1.99
Burkina Faso
Yearly
1980 - 2018
39 Data Points
$1.99
Helgi Library 
