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 691 57.9%
2 United States 230 19.3%
3 Netherlands 113 9.5%
4 Germany 72 6%
5 Hong Kong 21 1.8%
6 Taiwan 18 1.5%
7 Canada 14 1.2%
8 France 11 0.9%
9 Singapore 10 0.8%
10 India 6 0.5%
11 Japan 3 0.3%
12 Denmark 2 0.2%
13 Australia 1 0.1%
14 Brazil 1 0.1%
15 Nigeria 1 0.1%