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 82 40%
2 China 68 33.2%
3 Germany 17 8.3%
4 Netherlands 16 7.8%
5 Hong Kong 6 2.9%
6 Canada 5 2.4%
7 Taiwan 4 2%
8 Macao 2 1%
9 Japan 1 0.5%
10 France 1 0.5%
11 Portugal 1 0.5%
12 Russia 1 0.5%
13 Sweden 1 0.5%