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 107 39.2%
2 China 80 29.3%
3 Germany 22 8.1%
4 Netherlands 13 4.8%
5 United Kingdom 9 3.3%
6 Japan 7 2.6%
7 Russia 6 2.2%
8 France 5 1.8%
9 Taiwan 4 1.5%
10 Korea, Republic of 3 1.1%
11 Latvia 2 0.7%
12 India 2 0.7%
13 South Africa 2 0.7%
14 Canada 2 0.7%
15 Estonia 2 0.7%
16 Australia 1 0.4%
17 Brazil 1 0.4%
18 Hong Kong 1 0.4%
19 Sweden 1 0.4%
20 Philippines 1 0.4%
21 Indonesia 1 0.4%
22 Ukraine 1 0.4%