BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 115 68.9%
2 United States 32 19.2%
3 Germany 7 4.2%
4 Hong Kong 5 3%
5 Australia 3 1.8%
6 India 2 1.2%
7 Lao People's Democratic Republic 1 0.6%
8 Portugal 1 0.6%
9 United Kingdom 1 0.6%