BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 United States 28 46.7%
2 China 15 25%
3 Germany 5 8.3%
4 Iran, Islamic Republic of 3 5%
5 Lithuania 3 5%
6 Netherlands 3 5%
7 Hong Kong 1 1.7%
8 Czech Republic 1 1.7%
9 France 1 1.7%