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 342 44.7%
2 Netherlands 164 21.4%
3 United States 139 18.2%
4 Germany 80 10.5%
5 Canada 13 1.7%
6 Malaysia 7 0.9%
7 Taiwan 5 0.7%
8 France 4 0.5%
9 India 2 0.3%
10 Indonesia 2 0.3%
11 Poland 2 0.3%
12 Hong Kong 1 0.1%
13 United Kingdom 1 0.1%
14 Ireland 1 0.1%
15 Japan 1 0.1%
16 Finland 1 0.1%