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 192 42.5%
2 United States 140 31%
3 Germany 44 9.7%
4 Hong Kong 19 4.2%
5 Malaysia 12 2.7%
6 Singapore 12 2.7%
7 Japan 9 2%
8 Canada 7 1.5%
9 Russia 4 0.9%
10 Taiwan 3 0.7%
11 United Kingdom 2 0.4%
12 Spain 2 0.4%
13 Pakistan 2 0.4%
14 Korea, Republic of 2 0.4%
15 Poland 1 0.2%
16 Switzerland 1 0.2%