I'm going to guess France.
GDP per capita - A.D. 1900 / Country
$4,492 United Kingdom
$4,298 New Zealand
$4,091 United States
$4,013 Australia
$3,833 Switzerland
$3,731 Belgium
$3,424 Netherlands
$3,017 Denmark
$2,985 Germany
$2,911 Canada
[video]________________________[/video]