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 China 206 43.3%
2 United States 116 24.4%
3 Netherlands 108 22.7%
4 Germany 19 4%
5 Canada 14 2.9%
6 India 3 0.6%
7 Czech Republic 3 0.6%
8 Japan 2 0.4%
9 South Africa 2 0.4%
10 Ukraine 2 0.4%
11 Italy 1 0.2%