BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 116 53%
2 China 53 24.2%
3 Germany 15 6.8%
4 France 10 4.6%
5 Hong Kong 6 2.7%
6 Finland 5 2.3%
7 Korea, Republic of 4 1.8%
8 India 3 1.4%
9 Morocco 2 0.9%
10 Brazil 2 0.9%
11 Taiwan 2 0.9%
12 Singapore 1 0.5%