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 84 54.9%
2 United States 24 15.7%
3 Germany 16 10.5%
4 France 10 6.5%
5 Korea, Republic of 6 3.9%
6 South Africa 6 3.9%
7 Canada 3 2%
8 Australia 1 0.7%
9 Singapore 1 0.7%
10 Hong Kong 1 0.7%
11 United Kingdom 1 0.7%