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 195 57.2%
2 United States 44 12.9%
3 Netherlands 33 9.7%
4 Germany 29 8.5%
5 Canada 11 3.2%
6 Ireland 10 2.9%
7 Taiwan 4 1.2%
8 Russia 3 0.9%
9 3 0.9%
10 France 2 0.6%
11 Peru 2 0.6%
12 Singapore 2 0.6%
13 United Kingdom 1 0.3%
14 Hong Kong 1 0.3%
15 India 1 0.3%