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 73 49.7%
2 Netherlands 22 15%
3 United States 20 13.6%
4 Germany 15 10.2%
5 Hong Kong 4 2.7%
6 Canada 3 2%
7 Japan 2 1.4%
8 1 0.7%
9 Czech Republic 1 0.7%
10 Estonia 1 0.7%
11 France 1 0.7%
12 Portugal 1 0.7%
13 Singapore 1 0.7%
14 Taiwan 1 0.7%
15 United Kingdom 1 0.7%