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 239 68.3%
2 United States 69 19.7%
3 Germany 10 2.9%
4 Hong Kong 9 2.6%
5 Portugal 4 1.1%
6 Australia 3 0.9%
7 Japan 2 0.6%
8 Singapore 2 0.6%
9 Netherlands 2 0.6%
10 Taiwan 2 0.6%
11 United Kingdom 2 0.6%
12 South Africa 1 0.3%
13 Russia 1 0.3%
14 Macao 1 0.3%
15 Austria 1 0.3%
16 Canada 1 0.3%
17 Estonia 1 0.3%