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 177 45%
2 United States 141 35.9%
3 Germany 33 8.4%
4 Hong Kong 10 2.5%
5 Singapore 7 1.8%
6 Japan 4 1%
7 Macao 3 0.8%
8 Spain 3 0.8%
9 Taiwan 3 0.8%
10 United Kingdom 3 0.8%
11 New Zealand 2 0.5%
12 Australia 2 0.5%
13 Canada 2 0.5%
14 France 1 0.3%
15 India 1 0.3%
16 Iran, Islamic Republic of 1 0.3%