BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 46 35.7%
2 China 37 28.7%
3 Canada 10 7.8%
4 Netherlands 10 7.8%
5 Germany 6 4.7%
6 Taiwan 4 3.1%
7 Mexico 2 1.6%
8 Singapore 2 1.6%
9 Switzerland 2 1.6%
10 Hong Kong 2 1.6%
11 Iran, Islamic Republic of 1 0.8%
12 Japan 1 0.8%
13 Mauritius 1 0.8%
14 Brazil 1 0.8%
15 Denmark 1 0.8%
16 Saudi Arabia 1 0.8%
17 Ukraine 1 0.8%
18 United Kingdom 1 0.8%