BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 59 46.8%
2 United States 36 28.6%
3 Germany 7 5.6%
4 Netherlands 7 5.6%
5 France 6 4.8%
6 Senegal 3 2.4%
7 Singapore 2 1.6%
8 Taiwan 2 1.6%
9 Canada 1 0.8%
10 Czech Republic 1 0.8%
11 Hong Kong 1 0.8%
12 Korea, Republic of 1 0.8%