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 250 69.3%
2 United States 47 13%
3 Germany 38 10.5%
4 Australia 5 1.4%
5 Canada 4 1.1%
6 Singapore 4 1.1%
7 India 3 0.8%
8 Taiwan 2 0.6%
9 2 0.6%
10 France 2 0.6%
11 French Guiana 1 0.3%
12 Hong Kong 1 0.3%
13 Brazil 1 0.3%
14 Peru 1 0.3%