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 98 53%
2 United States 51 27.6%
3 Germany 10 5.4%
4 Canada 7 3.8%
5 Hong Kong 4 2.2%
6 Singapore 4 2.2%
7 Russia 3 1.6%
8 Czech Republic 3 1.6%
9 Iran, Islamic Republic of 2 1.1%
10 Netherlands 2 1.1%
11 France 1 0.5%