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 233 45.9%
2 United States 151 29.7%
3 Germany 32 6.3%
4 Taiwan 24 4.7%
5 Hong Kong 20 3.9%
6 Canada 15 3%
7 Singapore 8 1.6%
8 Japan 6 1.2%
9 Netherlands 5 1%
10 Viet Nam 3 0.6%
11 Russia 3 0.6%
12 United Kingdom 3 0.6%
13 Peru 1 0.2%
14 Romania 1 0.2%
15 France 1 0.2%
16 Mauritius 1 0.2%
17 Moldova, Republic of 1 0.2%