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 71 45.2%
2 United States 54 34.4%
3 Germany 14 8.9%
4 Hong Kong 6 3.8%
5 Macao 2 1.3%
6 Canada 2 1.3%
7 Malaysia 1 0.6%
8 Netherlands 1 0.6%
9 Portugal 1 0.6%
10 Russia 1 0.6%
11 Taiwan 1 0.6%
12 United Kingdom 1 0.6%
13 Japan 1 0.6%
14 France 1 0.6%