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 270 64.6%
2 United States 71 17%
3 Germany 26 6.2%
4 France 20 4.8%
5 Hong Kong 5 1.2%
6 India 5 1.2%
7 United Kingdom 5 1.2%
8 Russia 3 0.7%
9 Singapore 3 0.7%
10 Turkey 2 0.5%
11 Netherlands 2 0.5%
12 Philippines 2 0.5%
13 Australia 2 0.5%
14 Finland 1 0.2%
15 Switzerland 1 0.2%