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 391 41.4%
2 China 385 40.7%
3 Netherlands 116 12.3%
4 Germany 27 2.9%
5 Russia 7 0.7%
6 Czech Republic 4 0.4%
7 Canada 4 0.4%
8 Japan 4 0.4%
9 Hong Kong 3 0.3%
10 Taiwan 2 0.2%
11 India 1 0.1%
12 Italy 1 0.1%