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 45 27.6%
2 United States 44 27%
3 Germany 14 8.6%
4 Netherlands 13 8%
5 Czech Republic 10 6.1%
6 France 9 5.5%
7 Korea, Republic of 5 3.1%
8 Taiwan 5 3.1%
9 United Kingdom 4 2.5%
10 Romania 4 2.5%
11 Hong Kong 4 2.5%
12 India 2 1.2%
13 Philippines 2 1.2%
14 Canada 1 0.6%
15 Russia 1 0.6%