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 261 48.5%
2 United States 155 28.8%
3 Germany 42 7.8%
4 Hong Kong 38 7.1%
5 Taiwan 8 1.5%
6 Japan 7 1.3%
7 Denmark 5 0.9%
8 Belgium 3 0.6%
9 Brazil 3 0.6%
10 Korea, Republic of 3 0.6%
11 Netherlands 3 0.6%
12 Sweden 3 0.6%
13 Singapore 2 0.4%
14 Australia 1 0.2%
15 Ireland 1 0.2%
16 United Kingdom 1 0.2%
17 Poland 1 0.2%
18 France 1 0.2%