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 272 54.1%
2 United States 109 21.7%
3 Germany 57 11.3%
4 Canada 11 2.2%
5 Singapore 10 2%
6 Taiwan 8 1.6%
7 Hong Kong 7 1.4%
8 Japan 6 1.2%
9 Malaysia 6 1.2%
10 Macao 3 0.6%
11 Spain 3 0.6%
12 Switzerland 2 0.4%
13 Russia 2 0.4%
14 Jordan 2 0.4%
15 France 2 0.4%
16 Brazil 1 0.2%
17 Philippines 1 0.2%
18 United Kingdom 1 0.2%