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 180 57.9%
2 United States 54 17.4%
3 Germany 32 10.3%
4 Taiwan 10 3.2%
5 Japan 6 1.9%
6 Korea, Republic of 6 1.9%
7 Hong Kong 4 1.3%
8 Singapore 4 1.3%
9 Australia 3 1%
10 Egypt 3 1%
11 France 3 1%
12 Malaysia 3 1%
13 United Kingdom 2 0.6%
14 Russia 1 0.3%