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 208 58.9%
2 United States 60 17%
3 Germany 53 15%
4 Hong Kong 8 2.3%
5 Canada 8 2.3%
6 Russia 5 1.4%
7 Viet Nam 3 0.8%
8 Singapore 2 0.6%
9 South Africa 2 0.6%
10 Romania 2 0.6%
11 Hungary 1 0.3%
12 France 1 0.3%