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 398 47.8%
2 Netherlands 172 20.7%
3 United States 165 19.8%
4 Germany 55 6.6%
5 Canada 18 2.2%
6 Singapore 7 0.8%
7 France 4 0.5%
8 Hong Kong 3 0.4%
9 Malaysia 2 0.2%
10 Australia 2 0.2%
11 Taiwan 2 0.2%
12 Ukraine 2 0.2%
13 United Kingdom 1 0.1%
14 India 1 0.1%