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 252 57.7%
2 United States 62 14.2%
3 Germany 35 8%
4 Canada 26 5.9%
5 Japan 15 3.4%
6 India 8 1.8%
7 Hong Kong 7 1.6%
8 Russia 5 1.1%
9 Switzerland 5 1.1%
10 France 4 0.9%
11 Australia 3 0.7%
12 United Kingdom 3 0.7%
13 Malaysia 3 0.7%
14 Philippines 2 0.5%
15 Ukraine 2 0.5%
16 Viet Nam 2 0.5%
17 Taiwan 1 0.2%
18 Singapore 1 0.2%
19 Italy 1 0.2%