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 212 59.7%
2 United States 64 18%
3 Germany 35 9.9%
4 Hong Kong 12 3.4%
5 Taiwan 11 3.1%
6 Singapore 4 1.1%
7 Russia 3 0.8%
8 Japan 3 0.8%
9 India 2 0.6%
10 France 2 0.6%
11 Canada 2 0.6%
12 Netherlands 2 0.6%
13 Ukraine 1 0.3%
14 Australia 1 0.3%
15 Malaysia 1 0.3%