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 51 37.5%
2 United States 44 32.4%
3 Netherlands 8 5.9%
4 Germany 6 4.4%
5 Taiwan 6 4.4%
6 Singapore 5 3.7%
7 Ukraine 4 2.9%
8 Hong Kong 4 2.9%
9 3 2.2%
10 France 2 1.5%
11 Canada 1 0.7%
12 Macao 1 0.7%
13 Portugal 1 0.7%