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 970 85.8%
2 United States 65 5.7%
3 Germany 47 4.2%
4 Taiwan 15 1.3%
5 Hong Kong 10 0.9%
6 Mongolia 5 0.4%
7 Macao 4 0.4%
8 France 3 0.3%
9 Singapore 3 0.3%
10 Russia 2 0.2%
11 Canada 2 0.2%
12 India 2 0.2%
13 Japan 2 0.2%
14 United Kingdom 1 0.1%