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 142 49.1%
2 United States 79 27.3%
3 Germany 34 11.8%
4 Canada 17 5.9%
5 Australia 3 1%
6 India 3 1%
7 Macao 2 0.7%
8 Russia 2 0.7%
9 Singapore 2 0.7%
10 Switzerland 2 0.7%
11 Hong Kong 2 0.7%
12 Norway 1 0.3%