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 599 42.6%
2 United States 350 24.9%
3 Netherlands 171 12.2%
4 Germany 101 7.2%
5 France 95 6.8%
6 Sweden 24 1.7%
7 Canada 22 1.6%
8 Taiwan 8 0.6%
9 Norway 7 0.5%
10 United Kingdom 6 0.4%
11 India 5 0.4%
12 Hong Kong 3 0.2%
13 Macao 3 0.2%
14 Malaysia 2 0.1%
15 Japan 2 0.1%
16 Singapore 2 0.1%
17 Austria 2 0.1%
18 Indonesia 1 0.1%
19 Korea, Republic of 1 0.1%
20 Mexico 1 0.1%