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 37 32.2%
2 China 33 28.7%
3 Germany 12 10.4%
4 Netherlands 8 7%
5 Hong Kong 7 6.1%
6 Canada 6 5.2%
7 Taiwan 3 2.6%
8 India 2 1.7%
9 North Macedonia 2 1.7%
10 Russia 2 1.7%
11 Sweden 1 0.9%
12 Portugal 1 0.9%
13 Ukraine 1 0.9%