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 169 49%
2 China 90 26.1%
3 Germany 33 9.6%
4 United Kingdom 9 2.6%
5 Senegal 8 2.3%
6 Hong Kong 6 1.7%
7 Ireland 5 1.4%
8 Japan 4 1.2%
9 Taiwan 4 1.2%
10 Canada 3 0.9%
11 Russia 3 0.9%
12 India 3 0.9%
13 Macao 2 0.6%
14 Netherlands 1 0.3%
15 Ukraine 1 0.3%
16 Singapore 1 0.3%
17 Korea, Republic of 1 0.3%
18 Algeria 1 0.3%
19 Australia 1 0.3%