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 177 54.6%
2 United States 65 20.1%
3 Germany 27 8.3%
4 Canada 24 7.4%
5 Hong Kong 11 3.4%
6 Taiwan 6 1.9%
7 Singapore 4 1.2%
8 Netherlands 3 0.9%
9 Israel 2 0.6%
10 Moldova, Republic of 1 0.3%
11 Indonesia 1 0.3%
12 Brazil 1 0.3%
13 France 1 0.3%
14 United Arab Emirates 1 0.3%