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 252 63.6%
2 United States 81 20.5%
3 Germany 28 7.1%
4 Hong Kong 6 1.5%
5 Taiwan 6 1.5%
6 Viet Nam 5 1.3%
7 Switzerland 4 1%
8 United Kingdom 3 0.8%
9 Russia 3 0.8%
10 South Africa 2 0.5%
11 India 2 0.5%
12 Japan 2 0.5%
13 Panama 2 0.5%