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 173 57.3%
2 Germany 41 13.6%
3 United States 36 11.9%
4 Taiwan 22 7.3%
5 Malaysia 8 2.6%
6 Hong Kong 6 2%
7 Ireland 3 1%
8 Canada 3 1%
9 Japan 2 0.7%
10 Netherlands 2 0.7%
11 India 2 0.7%
12 France 2 0.7%
13 Sri Lanka 1 0.3%
14 Ukraine 1 0.3%