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 147 64.5%
2 United States 44 19.3%
3 Germany 14 6.1%
4 Hong Kong 10 4.4%
5 Taiwan 3 1.3%
6 Brazil 3 1.3%
7 Canada 2 0.9%
8 France 1 0.4%
9 Ukraine 1 0.4%
10 United Kingdom 1 0.4%
11 Portugal 1 0.4%
12 Australia 1 0.4%