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 212 47.9%
2 United States 138 31.2%
3 Germany 35 7.9%
4 Canada 19 4.3%
5 Hong Kong 10 2.3%
6 Japan 7 1.6%
7 Singapore 5 1.1%
8 Russia 4 0.9%
9 Netherlands 3 0.7%
10 Norway 2 0.5%
11 France 2 0.5%
12 Sweden 2 0.5%
13 United Kingdom 1 0.2%
14 South Africa 1 0.2%
15 India 1 0.2%
16 Mauritius 1 0.2%