BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 357 75.6%
2 United States 77 16.3%
3 Canada 7 1.5%
4 Taiwan 6 1.3%
5 Germany 6 1.3%
6 Russia 5 1.1%
7 Singapore 4 0.8%
8 Hong Kong 3 0.6%
9 Czech Republic 2 0.4%
10 Italy 2 0.4%
11 Japan 2 0.4%
12 Iran, Islamic Republic of 1 0.2%