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 31 37.3%
2 United States 24 28.9%
3 Netherlands 14 16.9%
4 Russia 3 3.6%
5 Germany 3 3.6%
6 Australia 2 2.4%
7 Canada 2 2.4%
8 Belgium 1 1.2%
9 France 1 1.2%
10 Hong Kong 1 1.2%
11 Singapore 1 1.2%