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 252 69%
2 United States 59 16.2%
3 Germany 27 7.4%
4 Taiwan 8 2.2%
5 Hong Kong 5 1.4%
6 Congo, The Democratic Republic of The 3 0.8%
7 France 2 0.5%
8 Argentina 2 0.5%
9 Japan 2 0.5%
10 Viet Nam 2 0.5%
11 Singapore 1 0.3%
12 India 1 0.3%
13 Australia 1 0.3%