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 69 38.3%
2 United States 59 32.8%
3 Netherlands 20 11.1%
4 Hong Kong 9 5%
5 Germany 7 3.9%
6 United Kingdom 5 2.8%
7 Taiwan 4 2.2%
8 Switzerland 3 1.7%
9 Canada 1 0.6%
10 Portugal 1 0.6%
11 Russia 1 0.6%
12 Lao People's Democratic Republic 1 0.6%