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 188 47.4%
2 United States 94 23.7%
3 Germany 40 10.1%
4 Canada 25 6.3%
5 Netherlands 16 4%
6 Sweden 12 3%
7 Ireland 7 1.8%
8 Italy 2 0.5%
9 Hong Kong 2 0.5%
10 France 2 0.5%
11 Turkey 2 0.5%
12 Nigeria 2 0.5%
13 Singapore 2 0.5%
14 Russia 1 0.3%
15 Czech Republic 1 0.3%
16 India 1 0.3%