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 United States 27 29%
2 Netherlands 24 25.8%
3 China 18 19.4%
4 Germany 10 10.8%
5 France 4 4.3%
6 Taiwan 4 4.3%
7 Russia 2 2.2%
8 Hong Kong 2 2.2%
9 India 1 1.1%
10 Singapore 1 1.1%