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 276 56.1%
2 United States 123 25%
3 Germany 42 8.5%
4 Hong Kong 12 2.4%
5 Singapore 10 2%
6 Taiwan 7 1.4%
7 Canada 6 1.2%
8 Russia 5 1%
9 Malaysia 4 0.8%
10 Lao People's Democratic Republic 3 0.6%
11 New Zealand 2 0.4%
12 Argentina 2 0.4%