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 276 64%
2 United States 89 20.6%
3 Germany 31 7.2%
4 Canada 12 2.8%
5 Hong Kong 6 1.4%
6 Malaysia 4 0.9%
7 Japan 3 0.7%
8 Turkey 2 0.5%
9 Singapore 2 0.5%
10 Slovenia 2 0.5%
11 Spain 1 0.2%
12 Netherlands 1 0.2%
13 Indonesia 1 0.2%
14 Denmark 1 0.2%