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 207 54.8%
2 United States 52 13.8%
3 Netherlands 49 13%
4 Germany 47 12.4%
5 Singapore 4 1.1%
6 Taiwan 3 0.8%
7 United Kingdom 3 0.8%
8 Finland 2 0.5%
9 New Zealand 2 0.5%
10 Russia 2 0.5%
11 Australia 2 0.5%
12 Brazil 2 0.5%
13 Canada 1 0.3%
14 Denmark 1 0.3%
15 Hong Kong 1 0.3%