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 470 61.4%
2 United States 148 19.3%
3 Germany 33 4.3%
4 Netherlands 27 3.5%
5 Canada 25 3.3%
6 Hong Kong 24 3.1%
7 Taiwan 12 1.6%
8 Russia 6 0.8%
9 Singapore 5 0.7%
10 India 4 0.5%
11 Japan 4 0.5%
12 Macao 3 0.4%
13 Malaysia 2 0.3%
14 Georgia 1 0.1%
15 Bangladesh 1 0.1%
16 Brazil 1 0.1%