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 181 54%
2 United States 52 15.5%
3 Germany 38 11.3%
4 Netherlands 23 6.9%
5 Hong Kong 11 3.3%
6 Canada 10 3%
7 India 7 2.1%
8 Australia 2 0.6%
9 Finland 2 0.6%
10 Malaysia 2 0.6%
11 Turkey 2 0.6%
12 Viet Nam 2 0.6%
13 Russia 1 0.3%
14 Taiwan 1 0.3%
15 Japan 1 0.3%