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 213 57.3%
2 United States 59 15.9%
3 Germany 43 11.6%
4 Hong Kong 15 4%
5 Canada 12 3.2%
6 Malaysia 11 3%
7 Taiwan 6 1.6%
8 Turkey 2 0.5%
9 United Kingdom 2 0.5%
10 Korea, Republic of 2 0.5%
11 Spain 2 0.5%
12 Australia 2 0.5%
13 Norway 1 0.3%
14 Singapore 1 0.3%
15 Ireland 1 0.3%