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 241 64.1%
2 United States 49 13%
3 Germany 39 10.4%
4 Canada 29 7.7%
5 Malaysia 4 1.1%
6 Netherlands 3 0.8%
7 Sweden 2 0.5%
8 Hong Kong 2 0.5%
9 India 1 0.3%
10 Ireland 1 0.3%
11 Japan 1 0.3%
12 Australia 1 0.3%
13 France 1 0.3%
14 Russia 1 0.3%
15 Singapore 1 0.3%