BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 195 41.4%
2 China 132 28%
3 Sweden 45 9.6%
4 Germany 31 6.6%
5 Netherlands 21 4.5%
6 Canada 12 2.5%
7 Hong Kong 11 2.3%
8 Korea, Republic of 9 1.9%
9 India 6 1.3%
10 Russia 3 0.6%
11 Singapore 2 0.4%
12 Japan 2 0.4%
13 France 1 0.2%
14 United Kingdom 1 0.2%