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 191 65.6%
2 United States 42 14.4%
3 Germany 33 11.3%
4 Canada 15 5.2%
5 India 3 1%
6 Hong Kong 2 0.7%
7 Mauritius 1 0.3%
8 Netherlands 1 0.3%
9 Norway 1 0.3%
10 Australia 1 0.3%
11 Colombia 1 0.3%