Online sales - what website domain TLD to choose?

Source of statisitics unidentified:

Global Domain Name Statistics

The following chart represents current statistics for many of the worlds most popular domains. Updated April 2008.

Domain Amount Registered Country
.com 74.939.317 Global Generic
.de 11.946.166 Germany
.net 11.171.403 Global Generic
.cn 11.095.572 China
.uk 6.739.198 United Kingdom
.org 6.657.501 Global Generic
.info 4.967.501 Global Generic
.eu 2.830.096 European Union
.nl 2.840.405 Netherlands
.biz 1.951.599 Global Generic
.it 1.507.790 Italy
.us 1.405.787 United States
.br 1.273.622 Brazil
.ch 1.119.012 Switzerland
.ru 1.172.135 Russia
.au 1.085.959 Australia
.jp 1.012.199 Japan
.fr 1.096.984 France
.ca 991.768 Canada
.kr 927.226 Korea
.dk 893.387 Denmark
.es 907.821 Spain
.mobi 896.437 Global Generic
.pl 945.482 Poland
.be 769.056 Belgium
.at 743.245 Austria
.se 715.179 Sweden
.cz 406.394 Czech
.no 337.538 Norway
.nz 324.722 New Zealand
.mx 240.363 Mexico
.pt 204.797 Portugal
.fi 174.821 Finland
.hk 159.443 Hong Kong
.tr 153.628 Turkey
.sk 150.964 Slovakia
.ie 98.227 Ireland
.lt 73.360 Lithuania