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 United States 49 36.6%
2 China 18 13.4%
3 Netherlands 17 12.7%
4 Spain 14 10.4%
5 Germany 13 9.7%
6 France 7 5.2%
7 United Kingdom 3 2.2%
8 Italy 2 1.5%
9 Greece 2 1.5%
10 Hong Kong 2 1.5%
11 Indonesia 1 0.7%
12 Canada 1 0.7%
13 Czech Republic 1 0.7%
14 Taiwan 1 0.7%
15 Pakistan 1 0.7%
16 Philippines 1 0.7%
17 Singapore 1 0.7%