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 58.9%
2 United States 98 24%
3 Germany 27 6.6%
4 Japan 10 2.4%
5 Canada 6 1.5%
6 United Kingdom 6 1.5%
7 Hong Kong 5 1.2%
8 Taiwan 4 1%
9 Singapore 2 0.5%
10 Sweden 2 0.5%
11 1 0.2%
12 Brazil 1 0.2%
13 Turkey 1 0.2%
14 India 1 0.2%
15 Italy 1 0.2%
16 Kazakhstan 1 0.2%
17 Malaysia 1 0.2%
18 Moldova, Republic of 1 0.2%