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 276 39.4%
2 United States 241 34.4%
3 Netherlands 44 6.3%
4 Germany 33 4.7%
5 France 22 3.1%
6 United Kingdom 19 2.7%
7 Hong Kong 16 2.3%
8 Taiwan 11 1.6%
9 Russia 9 1.3%
10 Portugal 6 0.9%
11 Estonia 5 0.7%
12 Ireland 4 0.6%
13 Finland 3 0.4%
14 India 3 0.4%
15 Iran, Islamic Republic of 1 0.1%
16 Czech Republic 1 0.1%
17 Brazil 1 0.1%
18 Canada 1 0.1%
19 Sweden 1 0.1%
20 Poland 1 0.1%
21 Thailand 1 0.1%
22 Ukraine 1 0.1%