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 230 41.7%
2 China 97 17.6%
3 Netherlands 86 15.6%
4 Germany 37 6.7%
5 Hong Kong 33 6%
6 France 23 4.2%
7 Canada 17 3.1%
8 8 1.4%
9 Portugal 7 1.3%
10 United Kingdom 3 0.5%
11 Russia 2 0.4%
12 Taiwan 2 0.4%
13 Japan 2 0.4%
14 Malaysia 2 0.4%
15 Moldova, Republic of 1 0.2%
16 Brazil 1 0.2%
17 Thailand 1 0.2%