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 United States 81 38.6%
2 China 72 34.3%
3 Germany 16 7.6%
4 Canada 12 5.7%
5 Korea, Republic of 9 4.3%
6 Sweden 8 3.8%
7 Hong Kong 5 2.4%
8 Japan 2 1%
9 Singapore 2 1%
10 Russia 1 0.5%
11 India 1 0.5%
12 France 1 0.5%