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 37 27.4%
2 China 35 25.9%
3 Germany 17 12.6%
4 France 9 6.7%
5 Russia 5 3.7%
6 Hong Kong 4 3%
7 Netherlands 4 3%
8 Canada 3 2.2%
9 Japan 3 2.2%
10 Korea, Republic of 3 2.2%
11 Macao 2 1.5%
12 Finland 2 1.5%
13 India 2 1.5%
14 Greece 2 1.5%
15 Czech Republic 1 0.7%
16 Malaysia 1 0.7%
17 Mexico 1 0.7%
18 Singapore 1 0.7%
19 Taiwan 1 0.7%
20 United Kingdom 1 0.7%
21 Romania 1 0.7%