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 803 54.8%
2 United States 305 20.8%
3 Netherlands 149 10.2%
4 Germany 79 5.4%
5 France 39 2.7%
6 Hong Kong 24 1.6%
7 Canada 16 1.1%
8 Singapore 12 0.8%
9 United Kingdom 8 0.5%
10 Mexico 7 0.5%
11 India 4 0.3%
12 Taiwan 4 0.3%
13 Australia 3 0.2%
14 Russia 3 0.2%
15 Japan 3 0.2%
16 Slovenia 2 0.1%
17 Denmark 2 0.1%
18 Italy 1 0.1%
19 Norway 1 0.1%
20 Poland 1 0.1%