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 246 61.3%
2 United States 70 17.5%
3 Germany 35 8.7%
4 Taiwan 16 4%
5 Hong Kong 11 2.7%
6 United Kingdom 5 1.2%
7 Japan 4 1%
8 Netherlands 4 1%
9 Singapore 3 0.7%
10 South Africa 2 0.5%
11 Colombia 2 0.5%
12 Czech Republic 1 0.2%
13 Peru 1 0.2%
14 Russia 1 0.2%