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 411 69%
2 United States 107 18%
3 Germany 32 5.4%
4 Hong Kong 8 1.3%
5 Russia 7 1.2%
6 Singapore 6 1%
7 Taiwan 6 1%
8 Japan 4 0.7%
9 United Kingdom 3 0.5%
10 Spain 2 0.3%
11 Canada 2 0.3%
12 Netherlands 2 0.3%
13 New Zealand 2 0.3%
14 Czech Republic 2 0.3%
15 Ireland 1 0.2%
16 Italy 1 0.2%