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 189 43.2%
2 United States 165 37.8%
3 Germany 34 7.8%
4 Canada 21 4.8%
5 Australia 7 1.6%
6 United Kingdom 5 1.1%
7 Japan 3 0.7%
8 New Zealand 3 0.7%
9 Spain 2 0.5%
10 Switzerland 2 0.5%
11 Korea, Republic of 2 0.5%
12 Myanmar 2 0.5%
13 Hong Kong 2 0.5%