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 United States 56 51.4%
2 China 15 13.8%
3 Canada 12 11%
4 United Kingdom 5 4.6%
5 Germany 4 3.7%
6 Australia 2 1.8%
7 Egypt 2 1.8%
8 Malaysia 2 1.8%
9 Mexico 2 1.8%
10 Netherlands 2 1.8%
11 Singapore 2 1.8%
12 Spain 1 0.9%
13 Switzerland 1 0.9%
14 France 1 0.9%
15 Hong Kong 1 0.9%
16 Japan 1 0.9%