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 275 58.6%
2 United States 123 26.2%
3 Germany 43 9.2%
4 Taiwan 6 1.3%
5 France 4 0.9%
6 Netherlands 3 0.6%
7 Canada 2 0.4%
8 Singapore 2 0.4%
9 Viet Nam 2 0.4%
10 Hong Kong 2 0.4%
11 Ireland 2 0.4%
12 Kazakhstan 1 0.2%
13 India 1 0.2%
14 Australia 1 0.2%
15 Azerbaijan 1 0.2%
16 Russia 1 0.2%