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 225 46.2%
2 United States 190 39%
3 Germany 36 7.4%
4 Singapore 9 1.8%
5 France 4 0.8%
6 Malaysia 3 0.6%
7 Spain 3 0.6%
8 New Zealand 3 0.6%
9 Russia 3 0.6%
10 United Kingdom 2 0.4%
11 Japan 2 0.4%
12 Netherlands 2 0.4%
13 Finland 2 0.4%
14 Estonia 1 0.2%
15 Hong Kong 1 0.2%
16 India 1 0.2%