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 291 41.6%
2 Netherlands 122 17.5%
3 United States 122 17.5%
4 Taiwan 74 10.6%
5 Germany 47 6.7%
6 Canada 18 2.6%
7 Hong Kong 8 1.1%
8 Russia 6 0.9%
9 France 3 0.4%
10 Finland 2 0.3%
11 India 2 0.3%
12 United Kingdom 2 0.3%
13 Singapore 1 0.1%
14 Switzerland 1 0.1%