BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 149 63.4%
2 United States 54 23%
3 Russia 11 4.7%
4 India 6 2.6%
5 Iran, Islamic Republic of 5 2.1%
6 Hong Kong 3 1.3%
7 Canada 2 0.9%
8 Germany 2 0.9%
9 Netherlands 2 0.9%
10 South Africa 1 0.4%