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 86 46.7%
2 United States 37 20.1%
3 Germany 15 8.2%
4 Japan 11 6%
5 Netherlands 9 4.9%
6 United Kingdom 5 2.7%
7 Hong Kong 4 2.2%
8 Taiwan 3 1.6%
9 Korea, Republic of 2 1.1%
10 India 2 1.1%
11 France 2 1.1%
12 2 1.1%
13 Canada 2 1.1%
14 Italy 1 0.5%
15 Moldova, Republic of 1 0.5%
16 Portugal 1 0.5%
17 Turkey 1 0.5%