BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 156 63.2%
2 United States 61 24.7%
3 Canada 10 4%
4 Korea, Republic of 8 3.2%
5 Netherlands 2 0.8%
6 Switzerland 2 0.8%
7 France 2 0.8%
8 Hong Kong 2 0.8%
9 India 1 0.4%
10 Japan 1 0.4%
11 Germany 1 0.4%
12 Serbia 1 0.4%