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 105 46.1%
2 United States 44 19.3%
3 Germany 19 8.3%
4 Hong Kong 18 7.9%
5 Canada 11 4.8%
6 Japan 9 3.9%
7 United Kingdom 5 2.2%
8 Australia 4 1.8%
9 Singapore 3 1.3%
10 Spain 2 0.9%
11 Netherlands 2 0.9%
12 Portugal 2 0.9%
13 Russia 2 0.9%
14 France 1 0.4%
15 Ukraine 1 0.4%