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 206 58%
2 United States 62 17.5%
3 Germany 31 8.7%
4 Netherlands 29 8.2%
5 Canada 8 2.3%
6 Belgium 4 1.1%
7 Australia 2 0.6%
8 Japan 2 0.6%
9 Malaysia 2 0.6%
10 Viet Nam 2 0.6%
11 Romania 2 0.6%
12 Ukraine 2 0.6%
13 New Zealand 1 0.3%
14 India 1 0.3%
15 Ireland 1 0.3%