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 419 64.5%
2 United States 137 21.1%
3 Germany 35 5.4%
4 Singapore 21 3.2%
5 Taiwan 8 1.2%
6 Hong Kong 5 0.8%
7 Japan 4 0.6%
8 France 4 0.6%
9 Argentina 3 0.5%
10 United Kingdom 3 0.5%
11 Canada 3 0.5%
12 Mexico 2 0.3%
13 Netherlands 1 0.2%
14 Australia 1 0.2%
15 Brazil 1 0.2%
16 Macao 1 0.2%
17 Malaysia 1 0.2%
18 Indonesia 1 0.2%