BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 380 60%
2 United States 151 23.9%
3 Germany 38 6%
4 Taiwan 25 3.9%
5 Hong Kong 9 1.4%
6 Japan 7 1.1%
7 France 5 0.8%
8 Ireland 3 0.5%
9 Switzerland 3 0.5%
10 Sweden 2 0.3%
11 Malta 2 0.3%
12 Canada 2 0.3%
13 Korea, Republic of 1 0.2%
14 Indonesia 1 0.2%
15 Netherlands 1 0.2%
16 Russia 1 0.2%
17 Turkey 1 0.2%
18 United Kingdom 1 0.2%