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 362 42.3%
2 China 193 22.5%
3 Netherlands 101 11.8%
4 France 63 7.4%
5 Germany 63 7.4%
6 Hong Kong 26 3%
7 Canada 18 2.1%
8 Portugal 7 0.8%
9 Taiwan 5 0.6%
10 5 0.6%
11 Brazil 2 0.2%
12 Finland 2 0.2%
13 Ukraine 2 0.2%
14 United Kingdom 2 0.2%
15 Latvia 2 0.2%
16 Norway 2 0.2%
17 Japan 1 0.1%