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 520 64%
2 United States 148 18.2%
3 Germany 37 4.6%
4 Netherlands 25 3.1%
5 France 24 3%
6 Hong Kong 15 1.8%
7 Canada 13 1.6%
8 Taiwan 9 1.1%
9 Portugal 6 0.7%
10 United Kingdom 3 0.4%
11 3 0.4%
12 Estonia 2 0.2%
13 Japan 2 0.2%
14 Serbia 2 0.2%
15 Spain 1 0.1%
16 New Zealand 1 0.1%
17 Korea, Republic of 1 0.1%