BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 72 51.1%
2 United States 32 22.7%
3 Germany 8 5.7%
4 Netherlands 8 5.7%
5 Hong Kong 7 5%
6 Taiwan 6 4.3%
7 2 1.4%
8 Canada 1 0.7%
9 France 1 0.7%
10 Japan 1 0.7%
11 Portugal 1 0.7%
12 Russia 1 0.7%
13 United Kingdom 1 0.7%