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 52.4%
2 United States 75 21.4%
3 Germany 39 11.1%
4 Canada 23 6.6%
5 Taiwan 8 2.3%
6 Hong Kong 6 1.7%
7 India 2 0.6%
8 Japan 2 0.6%
9 Korea, Republic of 2 0.6%
10 Malaysia 2 0.6%
11 Sweden 2 0.6%
12 France 2 0.6%
13 United Kingdom 2 0.6%
14 Turkey 1 0.3%
15 Switzerland 1 0.3%