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 30 40.5%
2 China 23 31.1%
3 Netherlands 7 9.5%
4 Russia 6 8.1%
5 South Africa 2 2.7%
6 France 2 2.7%
7 Canada 1 1.4%
8 Czech Republic 1 1.4%
9 Ukraine 1 1.4%
10 Nigeria 1 1.4%