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 104 51.2%
2 United States 38 18.7%
3 Netherlands 11 5.4%
4 France 9 4.4%
5 Germany 8 3.9%
6 Hong Kong 6 3%
7 Canada 4 2%
8 Singapore 4 2%
9 Malaysia 4 2%
10 Taiwan 4 2%
11 Japan 3 1.5%
12 Switzerland 2 1%
13 Finland 2 1%
14 India 2 1%
15 Australia 1 0.5%
16 United Kingdom 1 0.5%