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 35.6%
2 United States 52 25.7%
3 Netherlands 20 9.9%
4 Germany 14 6.9%
5 France 8 4%
6 Czech Republic 6 3%
7 Hong Kong 5 2.5%
8 Taiwan 4 2%
9 United Kingdom 4 2%
10 Korea, Republic of 3 1.5%
11 Romania 3 1.5%
12 Canada 3 1.5%
13 Hungary 2 1%
14 India 2 1%
15 Russia 2 1%
16 Philippines 2 1%