BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 42 37.2%
2 United States 37 32.7%
3 France 7 6.2%
4 Netherlands 5 4.4%
5 Russia 4 3.5%
6 Canada 4 3.5%
7 Hong Kong 4 3.5%
8 Germany 3 2.7%
9 Taiwan 3 2.7%
10 Singapore 2 1.8%
11 India 1 0.9%
12 Mexico 1 0.9%