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 198 58.9%
2 United States 66 19.6%
3 Germany 32 9.5%
4 Australia 7 2.1%
5 Canada 7 2.1%
6 Japan 7 2.1%
7 Italy 4 1.2%
8 Switzerland 3 0.9%
9 Thailand 2 0.6%
10 United Kingdom 2 0.6%
11 Belgium 2 0.6%
12 Brazil 2 0.6%
13 Hong Kong 2 0.6%
14 Russia 1 0.3%
15 Singapore 1 0.3%