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 295 65.7%
2 United States 78 17.4%
3 Germany 33 7.3%
4 Korea, Republic of 9 2%
5 Canada 5 1.1%
6 Australia 4 0.9%
7 Taiwan 4 0.9%
8 Turkey 3 0.7%
9 Norway 3 0.7%
10 Malaysia 3 0.7%
11 Myanmar 2 0.4%
12 Hong Kong 2 0.4%
13 Japan 2 0.4%
14 Denmark 2 0.4%
15 Singapore 2 0.4%
16 United Kingdom 2 0.4%