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 115 45.1%
2 United States 65 25.5%
3 Germany 29 11.4%
4 Japan 6 2.4%
5 United Kingdom 6 2.4%
6 Ireland 5 2%
7 Taiwan 5 2%
8 Australia 4 1.6%
9 Singapore 4 1.6%
10 Netherlands 4 1.6%
11 Hong Kong 4 1.6%
12 India 2 0.8%
13 Portugal 2 0.8%
14 Russia 2 0.8%
15 Turkey 2 0.8%