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 213 52.2%
2 United States 106 26%
3 Germany 29 7.1%
4 Canada 21 5.1%
5 Taiwan 9 2.2%
6 Hong Kong 6 1.5%
7 Ireland 5 1.2%
8 Japan 4 1%
9 Korea, Republic of 2 0.5%
10 Netherlands 2 0.5%
11 Australia 2 0.5%
12 Brazil 2 0.5%
13 Singapore 2 0.5%
14 Sweden 2 0.5%
15 Poland 1 0.2%
16 Portugal 1 0.2%
17 Russia 1 0.2%