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 63 41.4%
2 United States 29 19.1%
3 Peru 24 15.8%
4 Germany 11 7.2%
5 Russia 6 3.9%
6 Netherlands 6 3.9%
7 Slovakia 4 2.6%
8 Switzerland 3 2%
9 India 2 1.3%
10 Italy 2 1.3%
11 France 2 1.3%