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 United States 99 55.6%
2 China 22 12.4%
3 Germany 22 12.4%
4 France 16 9%
5 Hong Kong 6 3.4%
6 Canada 4 2.2%
7 Czech Republic 3 1.7%
8 Estonia 2 1.1%
9 Finland 1 0.6%
10 Japan 1 0.6%
11 New Zealand 1 0.6%
12 Australia 1 0.6%