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 220 61.3%
2 United States 50 13.9%
3 Germany 36 10%
4 Taiwan 14 3.9%
5 Canada 6 1.7%
6 Hong Kong 5 1.4%
7 Russia 4 1.1%
8 Japan 4 1.1%
9 Australia 3 0.8%
10 Singapore 3 0.8%
11 United Kingdom 3 0.8%
12 Ukraine 2 0.6%
13 Slovakia 2 0.6%
14 India 2 0.6%
15 Macao 2 0.6%
16 Netherlands 1 0.3%
17 Philippines 1 0.3%
18 Cote D'ivoire 1 0.3%