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 127 62.9%
2 United States 37 18.3%
3 Germany 15 7.4%
4 Hong Kong 6 3%
5 Malaysia 4 2%
6 Russia 3 1.5%
7 Indonesia 3 1.5%
8 Japan 2 1%
9 Taiwan 2 1%
10 Bolivia, Plurinational State of 2 1%
11 Chile 1 0.5%