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 192 53%
2 United States 61 16.9%
3 Germany 54 14.9%
4 Japan 13 3.6%
5 Hong Kong 12 3.3%
6 Singapore 6 1.7%
7 Taiwan 5 1.4%
8 Canada 4 1.1%
9 Russia 3 0.8%
10 Australia 3 0.8%
11 France 2 0.6%
12 Georgia 2 0.6%
13 Netherlands 2 0.6%
14 Romania 1 0.3%
15 Brazil 1 0.3%
16 Denmark 1 0.3%