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 245 69.6%
2 United States 50 14.2%
3 Germany 18 5.1%
4 Hong Kong 8 2.3%
5 Canada 8 2.3%
6 Japan 5 1.4%
7 Singapore 5 1.4%
8 Switzerland 2 0.6%
9 Taiwan 2 0.6%
10 United Kingdom 2 0.6%
11 Netherlands 2 0.6%
12 Philippines 1 0.3%
13 Romania 1 0.3%
14 Korea, Republic of 1 0.3%
15 Chile 1 0.3%
16 France 1 0.3%