BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 United States 46 34.3%
2 China 37 27.6%
3 Germany 23 17.2%
4 Korea, Republic of 6 4.5%
5 Netherlands 4 3%
6 Japan 3 2.2%
7 Taiwan 3 2.2%
8 Russia 2 1.5%
9 Singapore 2 1.5%
10 Cyprus 2 1.5%
11 Egypt 1 0.7%
12 France 1 0.7%
13 Indonesia 1 0.7%
14 Australia 1 0.7%
15 Canada 1 0.7%
16 Nigeria 1 0.7%