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 197 41.6%
2 China 114 24.1%
3 Netherlands 53 11.2%
4 Germany 40 8.5%
5 France 21 4.4%
6 Hong Kong 10 2.1%
7 Canada 8 1.7%
8 Portugal 7 1.5%
9 Taiwan 5 1.1%
10 Ukraine 4 0.8%
11 4 0.8%
12 Norway 3 0.6%
13 Japan 2 0.4%
14 Singapore 2 0.4%
15 South Africa 2 0.4%
16 Russia 1 0.2%