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 185 50%
2 United States 62 16.8%
3 Germany 39 10.5%
4 Japan 14 3.8%
5 Canada 13 3.5%
6 Hong Kong 11 3%
7 Taiwan 10 2.7%
8 India 6 1.6%
9 Ireland 6 1.6%
10 Sweden 4 1.1%
11 Netherlands 4 1.1%
12 Philippines 2 0.5%
13 Singapore 2 0.5%
14 Switzerland 2 0.5%
15 Moldova, Republic of 2 0.5%
16 Italy 2 0.5%
17 Australia 2 0.5%
18 Brazil 1 0.3%
19 Estonia 1 0.3%
20 Spain 1 0.3%
21 United Kingdom 1 0.3%