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 592 59.4%
2 United States 162 16.2%
3 Netherlands 121 12.1%
4 Germany 46 4.6%
5 Russia 11 1.1%
6 Hong Kong 10 1%
7 Canada 10 1%
8 Australia 8 0.8%
9 Taiwan 8 0.8%
10 Singapore 6 0.6%
11 Ireland 5 0.5%
12 Japan 3 0.3%
13 India 3 0.3%
14 France 3 0.3%
15 Denmark 2 0.2%
16 United Kingdom 2 0.2%
17 New Zealand 2 0.2%
18 Poland 1 0.1%
19 Sweden 1 0.1%
20 Switzerland 1 0.1%