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 325 62%
2 United States 140 26.7%
3 Germany 21 4%
4 Korea, Republic of 11 2.1%
5 Canada 8 1.5%
6 Russia 5 1%
7 Singapore 4 0.8%
8 Taiwan 2 0.4%
9 Hong Kong 2 0.4%
10 India 2 0.4%
11 France 2 0.4%
12 United Kingdom 1 0.2%
13 Netherlands 1 0.2%