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 287 71%
2 United States 54 13.4%
3 Germany 24 5.9%
4 Netherlands 9 2.2%
5 Canada 9 2.2%
6 Taiwan 6 1.5%
7 Hong Kong 4 1%
8 Macao 3 0.7%
9 North Macedonia 2 0.5%
10 Albania 2 0.5%
11 France 2 0.5%
12 Russia 1 0.2%
13 Japan 1 0.2%