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 173 49.6%
2 United States 123 35.2%
3 Germany 24 6.9%
4 Canada 14 4%
5 Hong Kong 7 2%
6 India 2 0.6%
7 Lao People's Democratic Republic 1 0.3%
8 Malaysia 1 0.3%
9 New Zealand 1 0.3%
10 Russia 1 0.3%
11 Taiwan 1 0.3%
12 Australia 1 0.3%