BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 59 41.3%
2 United States 44 30.8%
3 Netherlands 13 9.1%
4 Germany 11 7.7%
5 France 6 4.2%
6 Indonesia 3 2.1%
7 Malaysia 2 1.4%
8 Belgium 2 1.4%
9 Canada 1 0.7%
10 Hong Kong 1 0.7%
11 Singapore 1 0.7%