pulverizer·há 7 anos·discussSince we all live on earth surface, per land area could be a good measure.US ~500 China ~1100 UK ~1500 Germany ~2000 Japan ~2000 South Korea ~4000
pulverizer·há 8 anos·discussAbout metric vs imperial. We all adopted 10 based numbering. That puts any system not 10 based at disadvantage.
US ~500 China ~1100 UK ~1500 Germany ~2000 Japan ~2000 South Korea ~4000