“So you think NetMarketShare is any better ?”
Yes. Because NetMarketShare statistic use a weight. They can compare market share difference between China and Spain and StatCounter not.
StatCounter receive about 400 millions hits from China and about 390 millions hits from Spain. Weight of market share data from both countries is same.
NetApplications receive any data from China and Spain. They know that China is bigger region then Spain and use weight to market share data. China have about 480 million internet users and Spain about 30 millions.