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 387 51.7%
2 United States 157 21%
3 Netherlands 78 10.4%
4 Germany 50 6.7%
5 Taiwan 17 2.3%
6 Canada 14 1.9%
7 Sweden 13 1.7%
8 Hong Kong 7 0.9%
9 Ireland 7 0.9%
10 France 5 0.7%
11 Japan 3 0.4%
12 Singapore 3 0.4%
13 Korea, Republic of 2 0.3%
14 Malaysia 2 0.3%
15 India 2 0.3%
16 Mauritius 1 0.1%
17 United Kingdom 1 0.1%