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 342 69.5%
2 United States 67 13.6%
3 Germany 35 7.1%
4 Taiwan 13 2.6%
5 Hong Kong 8 1.6%
6 Japan 4 0.8%
7 Russia 4 0.8%
8 Senegal 2 0.4%
9 Singapore 2 0.4%
10 Sweden 2 0.4%
11 Korea, Republic of 2 0.4%
12 Moldova, Republic of 2 0.4%
13 Australia 2 0.4%
14 Brazil 2 0.4%
15 Canada 2 0.4%
16 Austria 1 0.2%
17 India 1 0.2%
18 Netherlands 1 0.2%