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 209 59.4%
2 United States 70 19.9%
3 Germany 39 11.1%
4 Hong Kong 7 2%
5 Korea, Republic of 7 2%
6 Japan 2 0.6%
7 France 2 0.6%
8 Turkey 2 0.6%
9 Ukraine 2 0.6%
10 Malaysia 2 0.6%
11 Norway 2 0.6%
12 Singapore 2 0.6%
13 Switzerland 1 0.3%
14 Russia 1 0.3%
15 United Kingdom 1 0.3%
16 Ireland 1 0.3%
17 Canada 1 0.3%
18 Luxembourg 1 0.3%