BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 200 46.9%
2 United States 98 23%
3 Germany 42 9.9%
4 Netherlands 32 7.5%
5 Canada 15 3.5%
6 Sweden 12 2.8%
7 Hong Kong 4 0.9%
8 Ireland 4 0.9%
9 Japan 3 0.7%
10 Singapore 3 0.7%
11 Russia 2 0.5%
12 Norway 2 0.5%
13 Moldova, Republic of 2 0.5%
14 Argentina 2 0.5%
15 1 0.2%
16 France 1 0.2%
17 Indonesia 1 0.2%
18 Poland 1 0.2%
19 United Kingdom 1 0.2%