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 United States 24 33.8%
2 China 16 22.5%
3 Germany 10 14.1%
4 Netherlands 10 14.1%
5 Hong Kong 2 2.8%
6 France 2 2.8%
7 Peru 2 2.8%
8 Russia 1 1.4%
9 Australia 1 1.4%
10 Brazil 1 1.4%
11 Canada 1 1.4%
12 Norway 1 1.4%