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 62 50.4%
2 United States 17 13.8%
3 Hong Kong 10 8.1%
4 Taiwan 9 7.3%
5 Germany 7 5.7%
6 Netherlands 5 4.1%
7 Ireland 4 3.3%
8 France 3 2.4%
9 Czech Republic 2 1.6%
10 Switzerland 2 1.6%
11 Lao People's Democratic Republic 1 0.8%
12 Norway 1 0.8%