BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 182 56.7%
2 United States 51 15.9%
3 Germany 33 10.3%
4 Canada 22 6.9%
5 Singapore 5 1.6%
6 Peru 5 1.6%
7 Netherlands 4 1.2%
8 New Zealand 2 0.6%
9 Pakistan 2 0.6%
10 Spain 2 0.6%
11 United Kingdom 2 0.6%
12 Argentina 2 0.6%
13 Colombia 2 0.6%
14 France 2 0.6%
15 Luxembourg 2 0.6%
16 Malaysia 1 0.3%
17 Mexico 1 0.3%
18 Portugal 1 0.3%