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 132 44.1%
2 United States 90 30.1%
3 Germany 30 10%
4 Canada 22 7.4%
5 Hong Kong 5 1.7%
6 Singapore 3 1%
7 Taiwan 3 1%
8 Netherlands 2 0.7%
9 Russia 2 0.7%
10 Hungary 2 0.7%
11 India 2 0.7%
12 Belgium 2 0.7%
13 France 2 0.7%
14 Japan 1 0.3%
15 Turkey 1 0.3%