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 184 60.3%
2 United States 37 12.1%
3 Germany 27 8.9%
4 Hong Kong 14 4.6%
5 Malaysia 11 3.6%
6 Canada 7 2.3%
7 Taiwan 7 2.3%
8 Singapore 6 2%
9 France 2 0.7%
10 Netherlands 2 0.7%
11 New Zealand 2 0.7%
12 Norway 1 0.3%
13 Ukraine 1 0.3%
14 Australia 1 0.3%
15 Egypt 1 0.3%
16 Mauritius 1 0.3%
17 Mexico 1 0.3%