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 186 47.9%
2 United States 107 27.6%
3 Germany 38 9.8%
4 Hong Kong 11 2.8%
5 Taiwan 11 2.8%
6 Ethiopia 7 1.8%
7 Australia 6 1.5%
8 Japan 5 1.3%
9 Singapore 4 1%
10 Canada 3 0.8%
11 Ukraine 3 0.8%
12 Netherlands 2 0.5%
13 New Zealand 2 0.5%
14 France 2 0.5%
15 Brazil 1 0.3%