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 284 68.8%
2 United States 50 12.1%
3 Germany 34 8.2%
4 Canada 18 4.4%
5 Netherlands 5 1.2%
6 Singapore 5 1.2%
7 France 4 1%
8 2 0.5%
9 Australia 2 0.5%
10 Belgium 2 0.5%
11 Hong Kong 2 0.5%
12 United Kingdom 2 0.5%
13 Norway 1 0.2%
14 India 1 0.2%
15 Malaysia 1 0.2%