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 269 50.6%
2 United States 104 19.5%
3 Netherlands 52 9.8%
4 Germany 35 6.6%
5 France 31 5.8%
6 Taiwan 8 1.5%
7 Czech Republic 6 1.1%
8 United Kingdom 4 0.8%
9 3 0.6%
10 Hong Kong 3 0.6%
11 Sweden 3 0.6%
12 Senegal 3 0.6%
13 Singapore 2 0.4%
14 Ghana 2 0.4%
15 India 2 0.4%
16 Canada 2 0.4%
17 Italy 1 0.2%
18 Korea, Republic of 1 0.2%
19 Philippines 1 0.2%