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 76 48.1%
2 United States 25 15.8%
3 Germany 16 10.1%
4 Canada 9 5.7%
5 Hong Kong 8 5.1%
6 Portugal 6 3.8%
7 Taiwan 6 3.8%
8 United Kingdom 3 1.9%
9 Japan 3 1.9%
10 Australia 3 1.9%
11 France 2 1.3%
12 Korea, Republic of 1 0.6%