According to the table, which country would be regarded as the most developed?
- Agross domestic product per year $600\,$m; population $3$ million
- Bgross domestic product per year $700\,$m; population $2$ million
- Cgross domestic product per year $12\,000\,$m; population $40$ million
- Dgross domestic product per year $15\,000\,$m; population $100$ million