BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 88 59.1%
2 United States 28 18.8%
3 Germany 13 8.7%
4 Canada 6 4%
5 Hong Kong 3 2%
6 France 2 1.3%
7 Burundi 2 1.3%
8 Australia 1 0.7%
9 Italy 1 0.7%
10 Korea, Republic of 1 0.7%
11 Moldova, Republic of 1 0.7%
12 Portugal 1 0.7%
13 Taiwan 1 0.7%
14 United Kingdom 1 0.7%