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 China 70 42.4%
2 United States 40 24.2%
3 Germany 15 9.1%
4 Hong Kong 15 9.1%
5 Taiwan 10 6.1%
6 Indonesia 7 4.2%
7 France 3 1.8%
8 Canada 2 1.2%
9 United Kingdom 1 0.6%
10 Portugal 1 0.6%
11 Singapore 1 0.6%