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 United States 81 39.3%
2 Germany 33 16%
3 Netherlands 27 13.1%
4 China 13 6.3%
5 Canada 9 4.4%
6 Colombia 8 3.9%
7 Japan 8 3.9%
8 France 7 3.4%
9 India 6 2.9%
10 Iran, Islamic Republic of 3 1.5%
11 Hong Kong 2 1%
12 Mexico 2 1%
13 Singapore 1 0.5%
14 Ukraine 1 0.5%
15 United Kingdom 1 0.5%
16 Indonesia 1 0.5%
17 Greece 1 0.5%
18 Australia 1 0.5%
19 Viet Nam 1 0.5%