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 244 50.4%
2 United States 130 26.9%
3 Germany 38 7.9%
4 Canada 28 5.8%
5 Hong Kong 20 4.1%
6 Netherlands 7 1.4%
7 New Zealand 2 0.4%
8 Russia 2 0.4%
9 Singapore 2 0.4%
10 Switzerland 2 0.4%
11 India 2 0.4%
12 Israel 2 0.4%
13 Japan 2 0.4%
14 Brazil 1 0.2%
15 France 1 0.2%
16 Sweden 1 0.2%