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 300 62.2%
2 United States 113 23.4%
3 Germany 29 6%
4 Hong Kong 8 1.7%
5 Japan 7 1.5%
6 Australia 5 1%
7 Canada 5 1%
8 Chile 2 0.4%
9 India 2 0.4%
10 Russia 2 0.4%
11 Taiwan 2 0.4%
12 United Kingdom 2 0.4%
13 2 0.4%
14 Viet Nam 1 0.2%
15 France 1 0.2%
16 Brazil 1 0.2%