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 224 63.1%
2 United States 60 16.9%
3 Germany 29 8.2%
4 Hong Kong 11 3.1%
5 Taiwan 7 2%
6 United Kingdom 3 0.8%
7 Pakistan 3 0.8%
8 Portugal 2 0.6%
9 Russia 2 0.6%
10 Singapore 2 0.6%
11 Iraq 2 0.6%
12 Japan 2 0.6%
13 Korea, Republic of 2 0.6%
14 France 2 0.6%
15 New Zealand 2 0.6%
16 Macao 1 0.3%
17 Moldova, Republic of 1 0.3%