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 174 59%
2 United States 48 16.3%
3 Germany 35 11.9%
4 Canada 6 2%
5 Hong Kong 5 1.7%
6 Singapore 4 1.4%
7 Italy 4 1.4%
8 Japan 3 1%
9 Ireland 3 1%
10 United Kingdom 2 0.7%
11 Taiwan 2 0.7%
12 Malaysia 2 0.7%
13 2 0.7%
14 France 1 0.3%
15 Moldova, Republic of 1 0.3%
16 Netherlands 1 0.3%
17 Thailand 1 0.3%
18 Switzerland 1 0.3%