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 42 27.8%
2 Netherlands 39 25.8%
3 China 29 19.2%
4 Germany 23 15.2%
5 Korea, Republic of 4 2.6%
6 Japan 3 2%
7 India 2 1.3%
8 Singapore 2 1.3%
9 Taiwan 2 1.3%
10 United Kingdom 2 1.3%
11 France 1 0.7%
12 Brazil 1 0.7%
13 Romania 1 0.7%