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 207 61.2%
2 Germany 53 15.7%
3 United States 53 15.7%
4 Singapore 7 2.1%
5 Hong Kong 5 1.5%
6 4 1.2%
7 Canada 2 0.6%
8 New Zealand 2 0.6%
9 Taiwan 2 0.6%
10 South Africa 1 0.3%
11 Brazil 1 0.3%
12 Japan 1 0.3%