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 213 58.2%
2 United States 68 18.6%
3 Germany 38 10.4%
4 Canada 30 8.2%
5 Taiwan 7 1.9%
6 United Kingdom 2 0.5%
7 Netherlands 2 0.5%
8 Hong Kong 2 0.5%
9 Indonesia 1 0.3%
10 Ireland 1 0.3%
11 Moldova, Republic of 1 0.3%
12 France 1 0.3%