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 58 51.3%
2 China 32 28.3%
3 Germany 5 4.4%
4 Hong Kong 4 3.5%
5 France 4 3.5%
6 Ukraine 3 2.7%
7 Canada 2 1.8%
8 Finland 1 0.9%
9 Korea, Republic of 1 0.9%
10 New Zealand 1 0.9%
11 Russia 1 0.9%
12 United Kingdom 1 0.9%