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 164 44.6%
2 United States 113 30.7%
3 Germany 30 8.2%
4 Canada 24 6.5%
5 Hong Kong 10 2.7%
6 Taiwan 5 1.4%
7 United Kingdom 4 1.1%
8 Russia 3 0.8%
9 Ireland 3 0.8%
10 Brazil 2 0.5%
11 Malaysia 2 0.5%
12 Singapore 2 0.5%
13 Turkey 2 0.5%
14 Mauritius 1 0.3%
15 Netherlands 1 0.3%
16 Japan 1 0.3%
17 Luxembourg 1 0.3%