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 147 55.7%
2 United States 46 17.4%
3 Germany 30 11.4%
4 Netherlands 15 5.7%
5 Hong Kong 11 4.2%
6 Malaysia 3 1.1%
7 Taiwan 3 1.1%
8 Russia 2 0.8%
9 Canada 2 0.8%
10 France 2 0.8%
11 Finland 1 0.4%
12 Singapore 1 0.4%
13 United Kingdom 1 0.4%