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 205 66.3%
2 United States 37 12%
3 Germany 36 11.7%
4 Taiwan 7 2.3%
5 Netherlands 3 1%
6 Russia 2 0.6%
7 Singapore 2 0.6%
8 United Kingdom 2 0.6%
9 France 2 0.6%
10 Georgia 2 0.6%
11 Belarus 2 0.6%
12 Brazil 2 0.6%
13 Canada 2 0.6%
14 Finland 1 0.3%
15 India 1 0.3%
16 Togo 1 0.3%
17 Turkey 1 0.3%
18 New Zealand 1 0.3%