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 163 57.4%
2 United States 49 17.3%
3 Germany 36 12.7%
4 Hong Kong 8 2.8%
5 Taiwan 6 2.1%
6 Denmark 4 1.4%
7 Brazil 3 1.1%
8 Malaysia 3 1.1%
9 Russia 2 0.7%
10 Japan 2 0.7%
11 Canada 2 0.7%
12 Egypt 2 0.7%
13 Switzerland 2 0.7%
14 Australia 1 0.4%
15 Singapore 1 0.4%