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 107 47.6%
2 United States 41 18.2%
3 Germany 17 7.6%
4 Canada 15 6.7%
5 Netherlands 12 5.3%
6 Portugal 6 2.7%
7 Hong Kong 6 2.7%
8 Taiwan 4 1.8%
9 3 1.3%
10 France 2 0.9%
11 Japan 2 0.9%
12 Malaysia 2 0.9%
13 Russia 2 0.9%
14 Senegal 2 0.9%
15 Tanzania, United Republic of 1 0.4%
16 United Kingdom 1 0.4%
17 Macao 1 0.4%
18 Brazil 1 0.4%