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 211 67.6%
2 United States 50 16%
3 Germany 25 8%
4 Netherlands 4 1.3%
5 Austria 4 1.3%
6 Canada 4 1.3%
7 Hong Kong 3 1%
8 Singapore 3 1%
9 Malaysia 2 0.6%
10 Norway 2 0.6%
11 Russia 2 0.6%
12 Lithuania 1 0.3%
13 France 1 0.3%