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 197 62.7%
2 United States 46 14.6%
3 Germany 33 10.5%
4 Canada 16 5.1%
5 Ireland 4 1.3%
6 Turkey 3 1%
7 Singapore 2 0.6%
8 Romania 2 0.6%
9 Hong Kong 2 0.6%
10 Belgium 2 0.6%
11 Estonia 2 0.6%
12 France 2 0.6%
13 Russia 1 0.3%
14 Taiwan 1 0.3%
15 Thailand 1 0.3%