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 983 71.5%
2 United States 182 13.2%
3 Netherlands 90 6.6%
4 Germany 39 2.8%
5 Canada 24 1.7%
6 Hong Kong 18 1.3%
7 France 6 0.4%
8 Russia 6 0.4%
9 Singapore 5 0.4%
10 Japan 4 0.3%
11 Sweden 3 0.2%
12 Mauritius 2 0.1%
13 India 2 0.1%
14 Bangladesh 2 0.1%
15 Colombia 2 0.1%
16 United Kingdom 2 0.1%
17 Malaysia 1 0.1%
18 Norway 1 0.1%
19 Switzerland 1 0.1%
20 Spain 1 0.1%