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 560 79.4%
2 United States 62 8.8%
3 Germany 27 3.8%
4 Canada 13 1.8%
5 Hong Kong 10 1.4%
6 Taiwan 10 1.4%
7 Netherlands 5 0.7%
8 Japan 4 0.6%
9 Australia 4 0.6%
10 Brazil 2 0.3%
11 Argentina 2 0.3%
12 Malaysia 2 0.3%
13 Russia 2 0.3%
14 Senegal 1 0.1%
15 United Kingdom 1 0.1%