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 65 55.6%
2 United States 21 17.9%
3 Germany 8 6.8%
4 Hong Kong 6 5.1%
5 United Kingdom 4 3.4%
6 Spain 3 2.6%
7 Australia 2 1.7%
8 Canada 2 1.7%
9 Netherlands 2 1.7%
10 Russia 1 0.9%
11 Indonesia 1 0.9%
12 Malaysia 1 0.9%
13 Ukraine 1 0.9%