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 166 50.9%
2 United States 91 27.9%
3 Germany 31 9.5%
4 Canada 12 3.7%
5 Taiwan 7 2.1%
6 Japan 3 0.9%
7 New Zealand 2 0.6%
8 Hong Kong 2 0.6%
9 India 2 0.6%
10 France 2 0.6%
11 Australia 2 0.6%
12 Brazil 2 0.6%
13 Ireland 1 0.3%
14 Malaysia 1 0.3%
15 Mauritius 1 0.3%
16 Netherlands 1 0.3%