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 183 44.5%
2 United States 122 29.7%
3 Germany 34 8.3%
4 Netherlands 30 7.3%
5 Hong Kong 13 3.2%
6 Taiwan 12 2.9%
7 United Kingdom 3 0.7%
8 Australia 3 0.7%
9 Canada 3 0.7%
10 India 2 0.5%
11 Japan 2 0.5%
12 Moldova, Republic of 2 0.5%
13 Korea, Republic of 1 0.2%
14 Russia 1 0.2%