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 China 80 63.5%
2 United States 22 17.5%
3 Netherlands 11 8.7%
4 Hong Kong 3 2.4%
5 Switzerland 2 1.6%
6 Czech Republic 2 1.6%
7 Germany 2 1.6%
8 Australia 2 1.6%
9 Canada 1 0.8%
10 New Zealand 1 0.8%