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 181 40.9%
2 United States 130 29.3%
3 Germany 39 8.8%
4 Netherlands 28 6.3%
5 Canada 26 5.9%
6 Sweden 15 3.4%
7 Hong Kong 13 2.9%
8 France 2 0.5%
9 Japan 2 0.5%
10 Macao 2 0.5%
11 Switzerland 2 0.5%
12 Romania 1 0.2%
13 Singapore 1 0.2%
14 India 1 0.2%