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 137 50%
2 United States 79 28.8%
3 Germany 34 12.4%
4 Singapore 7 2.6%
5 Taiwan 4 1.5%
6 Lithuania 3 1.1%
7 Netherlands 2 0.7%
8 Switzerland 2 0.7%
9 Hong Kong 2 0.7%
10 Japan 2 0.7%
11 Ireland 1 0.4%
12 Georgia 1 0.4%